Abstract:In this paper, by adding compound probiotic cultures to the diet, the effects of blood biochemical indexes and immune function of fattening cattle were discussed. We selected 40 Simmental cattle (about 1 year old) with a body weight of about 210 kg and randomly divided them into 4 groups to study the effects of dietary compound probiotic culture on blood biochemical indexes and immune function of fattening cattle. The results showed that serum albumin (ALB), total protein (TP), total cholesterol (CHO), glucose (GLU), triglyceride (TG), aspartate aminotransferase (AST) Transaminase (ALT), alkaline phosphatase (ALP) and other blood indicators and serum IgG, IgA, IgM, IL-4, IL-6, and IFN-γ levels. This shows that the addition of compound probiotic cultures in the diet has a significant effect on improving the blood biochemical indicators and immune function of fattening cattle. From the experimental data, the comprehensive effect of the experimental group 2 (basic diet + 20‰ compound probiotic culture) was relatively the best.

Abstract:Neospora Caninum is an intracellular protozoan parasite that can cause abortion and neonatal fetal death in a variety of mammals, including sheep and goats. The purpose of this study was to estimate the prevalence of neosporoasis in scapegoat in Hejing County, Bayingolin Mongolian Autonomous Prefecture. PCR was used to amplify the NC5 gene fragment of neosporoasis canine, and some positive products were sequenced. Results Showed that 13 of 165 scapegoat (7.9%) were positive for canine N.caninum. Age, abortion history, dog ownership and infection rate were significantly different (P< 0.05). The infection rate of ewes over 2 years old was the highest. In addition, the infection rate of neosporoasis was higher in ewes with a history of abortion , and the presence of dogs around the breeding site also affected the infection rate, and the infection rate of sheep with dogs 11.4%, was higher than that of sheep without dogs. The partial sequence of NC5 gene was compared with that of NC5 gene stored in GenBank, and the homology of NC5 gene was 92%~100%. To our knowledge, this is the first phylogenetic analysis of N.caninum in scapegoat from Hejing county. This information is important for designing control schemes to reduce the economic losses of animal husbandry.

Abstract:Grazing is the most basic utilization method of alpine meadows on the QinghaiTibet Plateau. The sustainable use of alpine meadow ecosystem is closely related to the intensity of grazing. In this study, three grazing intensity treatments and one control were set up in Luqu County on the eastern edge of the QinghaiTibet Plateau, and the responses of vegetation community structure and soil physical and chemical properties to grazing intensity were analyzed. The results showed that vegetation cover, height and aboveground biomass all decreased with the increase of grazing intensity. Species richness was highest under moderate grazing. Moderate grazing can significantly increase the proportion of sedge. Weeds increased with grazing intensity. Soil water content and organic matter decreased with the increase of grazing intensity. There was no significant change in pH and total phosphorus, and the soil bulk density changed irregularly. Total nitrogen, total potassium and available potassium increased first and then decreased with the increase of grazing intensity. Available phosphorus increased with the increase of grazing intensity. According to the comprehensive analysis, moderate grazing can significantly improve the vegetation community structure and soil physical and chemical properties, which is beneficial to the sustainable use of alpine meadows.

Abstract:This paper is to study whether the electric stimulation semen collection technology can be popularized and applied in the breeding of Tibetan sheep in the alpine pastoral area of Gansu Province and whether this technology has an impact on the semen quality and semen collection volume of rams. The research team of the project conducted an experiment on semen collection by electrical stimulation of Tibetan sheep breed rams in Danma Township, Tianzhu County, Gansu Province. In this paper, the Eulertype Tibetan sheep rams selected locally were selected, and the semen was collected twice a day during the mating period. On the first day (marked as d1), the traditional false vaginal semen collection method was used in the morning, and the electric stimulation method was used to collect semen in the afternoon. The next day (marked as d2) semen was collected by electrical stimulation in the morning and traditional false vaginal semen collection in the afternoon. We crosscollected semen with different semen collection methods in order to reduce errors, continuously collected semen for 6 days, and checked the quality of semen collection, semen density, and sperm motility in time. The experimental results show that the amount of semen collected by electrical stimulation of Tibetan sheep rams in Tianzhu pastoral area of Gansu Province is all between 0.80 mL and 0.96 mL. This is in line with the normal semen volume of Tibetan sheep, the average sperm motility is above 0.80, and the average semen density is above "medium". The quality of this semen meets the quality requirements of artificial insemination semen and can be applied to the practice of Tibetan sheep breeding.

Abstract:Zhangye beef cattle are distributed in the desert area of Hexi, and are mainly produced in the Hexi Corridor. This is an important economic livestock species in the local area, and it is also a typical plateau model livestock species with strong environmental adaptability. In this paper, the reproductive performance and growth performance of Zhangye beef cattle grazing in highaltitude alpine areas and Zhangye beef cattle grazing in plain areas were studied. We observed its environmental adaptability and disease resistance during the process.

Abstract:In this study, the previously established general RPA detection method for sheep pox virus and goat pox virus was used to detect footandmouth disease virus, infectious pustular dermatitis virus, fowl pox virus, sheep pox virus, sheep pox vaccine and sheep pox recombinant plasmid samples. Based on this, we verified the specificity of the general RPA detection method for sheep pox virus and goat pox virus for the detection of sheep pox virus and goat pox virus. The results show that the method can show positive bands on the test strip for the positive samples of sheep pox vaccine, sheep pox recombinant plasmid, sheep pox virus nucleic acid and goat pox virus nucleic acid, but does not show positive bands for other samples. This shows that the method has good specificity and has broad prospects in the detection of sheep poxvirus and goat poxvirus.

Abstract:Hemagglutination (HA) and hemagglutination inhibition test (HI) are mainly used for Newcastle disease pathogen identification and antibody titer determination. Revised and refined to make it more standard and normative. In order to understand the requirements of the new version of the standard as soon as possible, and master the essentials of operation, the HA and HI tests in the new and old versions of the standard were compared. The new version of the standard adds the calibration of the 4HAU antigen preparation of the HA and HI tests, and changes in the standing time and the judgment of the results. The new version of the standard is more precise and detailed in the operation steps, and the 4HAU antigen configuration is more accurate, which makes the HI test results more scientific. Combined with the actual test, this paper provides a reference for the majority of laboratory inspectors, college students and scientific researchers to better understand the new version of the standard and operate it more proficiently, thereby improving the accuracy of the test results.

Abstract:This study aims to understand the development of animal husbandry in Yuncheng, Shanxi Province, promote the resource utilization of livestock and poultry manure in Yuncheng, and accelerate the development of green circular agriculture. Using animal husbandry and planting data and statistical yearbook data in Yuncheng City, Shanxi Province, we analyzed and calculated the land carrying capacity of the main crops in Yuncheng from 2016 to 2020 (hereinafter referred to as the manure carrying capacity of cultivated land). The results show that from 2016 to 2020, the manure carrying capacity of cultivated land in Yuncheng is higher than the pig equivalent of the main livestock and poultry at the end of the year. The city's livestock and poultry manure can be completely absorbed within the city. The manure carrying capacity of cultivated land in Yuncheng is within the acceptable range, and the animal husbandry still has a large room for development.

Abstract:This article aims to understand the control effect of different herbicides on diphtheria aconitum, find out the types of herbicides suitable for Aconitum leucostomum Vorosch in Altay area, and effectively control the spread of Aconitum leucostomum Vorosch. In this experiment, 75% phenylpyril·glyphosate, 36% carfentrazonemethyl, 9% biflurazone, 21% aminopyralid (Maistone) were selected to treat diphtheria aconitum. Control comparison test. The test results show that in the spot spraying test, the drug efficacy of 75% phenpyrim·glyphosate is significantly higher than that of other drugs, followed by Maistone (21% aminopyralid). The use of 75% phenpyrim·glyphosate (Jinpiao) and Maistone (21% aminopyralid) can be promoted in the spot spraying weeding work.

Abstract:The purpose of this paper is to study the effects of doublefurrow planting of forage corn with full film and flat film planting on the growth and development, dry matter content and yield of corn. In the experiment, Jinkai 5, Cheng 3359 and Shandan 8806, which are widely planted for forage in Anding District, were selected as test materials. We used a ruler to measure the plant height of corn planted in different ways at the jointing stage, the bell mouth stage and the filling stage, and measured the weight per plant by weighing. The results showed that the plant height, dry matter content and weight per plant of corn planted in double ridges with full film were higher than those planted in flat film.

Abstract:This study is to explore the application value of enzymelinked immunosorbent assay (ELISA) in detecting the level of rabies immune antibody. We tested 290 canine sera from 10 administrative districts of Shenzhen. We use the fluorescent antibody virus neutralization test (FAVN) method as the gold standard to analyze the consistency, coincidence rate and quantitative detection effectiveness of the test results and other indicators. The results showed that the Kappa value was 0.545, and the consistency evaluation was moderately consistent. The total coincidence rate was 87.59%, and samples with a neutralizing titer of 0.512.00IU/mL had a higher probability of false negatives. In addition, the S/CO values of samples with the same neutralization titer showed a multiinterval distribution phenomenon. Therefore, this study suggests that the ELISA method can be used for preliminary screening of qualitative detection when it is applied to the actual detection of immune effect evaluation at the grassroots level, and it is not recommended to be used as a quantitative detection method.

Abstract:Congling Tibetan Chicken grows in the Congling area of the Gannan Plateau at an altitude of 1200-2900 m, which is extremely cold, low-pressure, and anoxic. Congling Tibetan chicken is a local original breed, and has not been systematically selected for a long time. In order to grasp the relationship between the physical properties of Congling Tibetan chicken eggs and hatching rate, to find out the influence on hatching rate and healthy chick rate, this research establishes a relatively sound and perfect Congling Tibetan chicken breeding technology. This is expected to improve the reproductive capacity of Congling Tibetan chickens and solve the problem of low fecundity. In this experiment, 25,000 freerange Congling Tibetan chickens were selected from Zhouqu Dongsheng Breeding Professional Cooperative, and 6,000 eggs were collected within 10 days for incubation. We carried out the relationship between eggshell color, thickness, egg shape, egg weight and other physical properties of Congling Tibetan chicken breeder eggs and the hatching rate and healthy chick rate of Congling Tibetan chickens. The results showed that there was a significant negative correlation between eggshell color and egg shape index (R = -0.062, P< 0.01), and there was a significant weak correlation between eggshell color and eggshell thickness and egg weight (R = 0.123, R = -0.321, P< 0.05). There was an extremely significant negative correlation between eggshell thickness and egg shape index (R = 0.234, P< 0.01), and a significant negative correlation with egg weight (R = 0.062, P< 0.05). There was a significant positive correlation between egg shape index and egg weight (R = 0.205, P< 0.01). When breeding, eggs with pinkish-brown eggshell, eggshell thickness between 0.26 and 0.31 mm, egg shape index ≧ 0.80 (round), and egg weight ≦ 35 g should be selected as breeding eggs, so as to improve hatchability and healthy chicks Rate.

Abstract:In this experiment, corn stalks were microstored. We examined the changes in nutritional value after microstorage and its effect on growth performance of mutton sheep. Studies have shown that after microstorage of corn stalks, it is moist, has wine aroma, soft texture and good palatability, the values of neutral detergent fiber (NDF), dry matter (DM) and acid detergent fiber (NDF) decreased significantly, and the crude protein (CP) value increased significantly. The nutritional value of corn stalks was effectively improved after microstorage. The mutton sheep were fed after microstorage of corn stalks, and the daily gain of the mutton sheep in the experimental group was 21.76% higher than that in the control group.

Abstract:In this study, different types of natural grasslands were used as the research object, and the effects of three utilization modes of grazing prohibition and enclosure, coolseason grazing and perennial grazing on aboveground biomass and species richness were studied. The results showed that perennial grazing significantly reduced the aboveground biomass of alpine meadow and temperate steppe (P< 0.05), and there was no significant difference between grazing prohibition and coolseason grazing (P< 0.05). Coolseason grazing significantly reduced aboveground biomass in temperate desert steppe (P< 0.05). The species richness of alpine meadows and temperate steppes prohibited from grazing was significantly lower than that of perennial grazing (P< 0.05). Grazing prohibition and coolseason grazing had no significant effect on the species richness of the temperate desert steppe (P< 0.05).

Abstract:Glutathione peroxidase 1 (GPx-1) catalyzes hydrogen peroxide, lipid peroxide and peroxynitrite with glutathione as substrate, which can reduce intracellular oxidative stress and participate in the protective mechanism of brain pathological oxidative metabolism. This review mainly summarizes the mechanism of GPx-1 gene mediated effect on a variety of neurodegenerative diseases from the understanding of the correlation between GPx-1 polymorphism and the development of various brain diseases (Alzheimer's disease, Parkinson's disease, epilepsy, cerebral infarction, etc.).

Abstract:This research is to fully understand the research status and development trend of goat litter size at home and abroad, and to provide new ideas for the field of goat breeding in our country. Using bibliometric methods, we used " goat little size" as the search term to carry out subjectspecific precise searches in the Web of Science core collection database (1992-2022) and CNKI database (1958-2022). This article uses software such as Excel 2019, GraphPad Prism v5.01 and VOS viewer. We respectively analyzed the number of published documents in the four time periods of 1958-1991, 1992-2001, 2002-2011 and 2012-2022, the situation of papers published by each country, institutions, authors, journals, keywords, research directions and other aspects of visual analysis. We provide a summary and overview of the information obtained. The study found that China's research on "goat little size" is on the rise as a whole, has great development potential, and is gradually moving towards a leading position in the world. However, the average number of citations per paper published in my country still lags behind France and other countries. While paying attention to the number of papers published, Chinese scholars should also pay attention to the innovation and practicality of research. This makes the published papers show more far-reaching influence in the world.

Abstract:Guizhou Province, as one of the potential provinces for the development of cattle and sheep in Southwest China, has the development advantages of excellent ecological environment, good industrial development foundation, rich variety resources, and various forage types. But in recent years, the overall development of the mutton sheep industry in Guizhou Province is in a state of hesitation. In order to explore the development model suitable for the mutton sheep industry in Guizhou, this paper, based on the previous research and visits, combined with the development status and characteristics of the mutton sheep industry in Guizhou Province, analyzed the current problems, and put forward some suggestions for the development model of the mutton sheep industry in Guizhou Province. This is expected to provide a reference for the highquality development of mutton sheep in Guizhou Province.

Abstract:As one of the most promising biological agents to replace antibiotics, probiotics have always attracted people's attention. In order to fully and accurately explore the functional role of probiotics, this paper systematically sorts out and summarizes six aspects of future research on probiotics based on the research of many scholars. This aims to provide a reference for the subsequent indepth exploration of probiotics and better promote the highquality development of animal husbandry.

Abstract:With the rapid development of the livestock and poultry breeding industry, the impact of veterinary antibacterial drug pollution has gradually become the focus of attention, especially the problem of veterinary antimicrobial drug residues in livestock and poultry manure can no longer be ignored. This paper summarizes the relevant research directions and achievements of veterinary antibacterial drug residues in livestock and poultry manure, the status of veterinary antibacterial drug residues in livestock and poultry manure, the impact on soil environment and plant growth, and harmless treatment. analyzed and commented. This paper points out the research directions of developing green veterinary drugs such as traditional Chinese medicine and microbial agents, composting agents, and establishing residual discharge standards. This aims to provide ideas for the establishment of safe use of veterinary antimicrobials and a feasible solution for reducing the contamination of antimicrobials in feces.

Abstract:According to the requirements of "Zhangye City Cattle Industry Support Fund Beef Cattle Frozen Semen Purchasing Agency Service Supplementary Agreement", due to the particularity of frozen semen procurement, we need to do a good job of investigating the market demand of frozen semen in each county and district and predicting suppliers before purchasing Investigation and other work.From March 3 to 16, 2022, a consulting agency hired professional and technical personnel to form an investigation team. The investigation team selected Gaotai County, Minle County, Linze County, and Ganzhou District, four major cattle industry development counties, as the survey samples of beef cattle frozen semen usage and market demand in Zhangye City to conduct field investigations.

Abstract:In order to further enhance the monitoring and early warning capabilities of the veterinary system laboratories in Jiangsu Province for animal diseases, this paper compared the results of the provincial veterinary system (12 municipal and 65 countylevel) laboratories organized by the Jiangsu Epidemic Control Center in October 2021. statistics. The correct rate of samples is 97.81% (1115/1140). The laboratory correct rate was 84.42% (65/77). The comparison results show that all 77 laboratories have the technical ability to carry out surveillance and early warning of major animal diseases, but there are certain deviations in the test results of individual comparison items in a small number of laboratories. This suggests that it is still necessary to strengthen laboratory construction, including expanding the professional talent team, increasing capital investment, and updating testing equipment in a timely manner, so as to continuously improve testing business capabilities.

Abstract:This paper aims to fully grasp the status quo of animal health supervision after institutional reform in Pingliang City, and to do a better job in animal health supervision after institutional reform. We conduct a thorough investigation of the status quo of animal health supervision after the institutional reform. This article focuses on analyzing the main problems after the institutional reform, such as unequal power and responsibility, unstable team, weakened work, low case handling rate, and difficulties faced by quarantine work. We put forward countermeasures and suggestions such as clarifying institutional functions, emphasizing the construction of epidemic prevention teams, establishing and improving the transfer and investigation mechanism of illegal cases, strengthening institutional guarantees, and strengthening the capacity of official veterinarians.

Abstract:Plague is a Class A infectious disease mainly transmitted by Yersinia pestis through rat fleas. This is a natural foci disease that is widely prevalent among wild rodents, and the susceptible animals are mainly rodents. Once human beings are infected, there is great harm to their life and health. Although there is currently no epidemic of plague among animals in Yulin area. Inner Mongolia, Ningxia and other places bordering Yulin have reported the spread of plague among animals in recent years. This paper discusses the epidemic characteristics and transmission routes of plague, and studies and judges the current situation and risks faced by Yulin area. This further conducts indepth investigation and research on the prevention and control of local human plague, and provides a scientific basis for gradually establishing a systematic monitoring of plague among animals.

Abstract:"Veterinary English" is a professional course for undergraduate teaching of animal medicine majors in agricultural colleges and universities. This article takes the teaching reform of "Veterinary English" course in Tianjin Agricultural College as an example. We have analyzed the deficiencies in the teaching process of "Veterinary English" from multiple angles. Combining with the construction background of "New Agricultural Science", based on "cultivating morality and cultivating people" and aiming at cultivating outstanding new veterinary talents, this paper puts forward reform measures for the teaching method and assessment mode of this course. This is expected to provide a reference for improving the teaching quality of the "Veterinary English" course in agricultural and forestry colleges and universities.

Abstract:The purpose of this experiment was to study the effect of adding different concentrations of soybean lecithin (SL) on the cryopreservation of semen in East Friensian milk sheep. We added 18% egg yolk to the basic dilution of Tris as the control group, and added 0.5%,1%,1.5%,2%,and 2.5% SL as the test group. We measured sperm motility and acrosome integrity after thawing frozen semen. The results showed that there were significant differences(P<0.05) in the sperm viability and acrosome integrity rate between the thawed semen diluted with 0.5% and 2.5% SL freezing diluent and other groups(P<0.05);adding 18% egg yolk and 1%~2% There was no significant difference between the sperm motility rate and acrosome integrity rate in semen diluted with SL frozen diluent after thawing(P>0.05); the semen diluted with 18% egg yolk and 1.0%~1.5% SL frozen diluent, after artificial insemination The pregnancy rate of ewes was not significantly different from that of the control group(P>0.05).Therefore,soybean lecithin can be used as a cryoprotectant for the cryopreservation of semen in East Friensian milk sheep,and the optimum concentration is 1%~2%(g/L).

Abstract:In order to further protect, develop and utilize the germplasm resources of the Chakouyi horse and expand the population size, the researchers concerned develop a demonstration and promotion program for the production of fine tube frozen sperm and artificial insemination suitable for the Chakouyi Horse breed area. This can provide reference for the highquality development of the Chakouyi Horse industry and the application of Forked Horse breed improvement.

Abstract:In this paper, by investigating the current status of the genetic resources of Qiaoke Tibetan sheep, it is found that the number of purebreds of Qiaoke Tibetan sheep is still at risk of continuous decline. In order to avoid the continuous decline of the population of Qiaoke Tibetan sheep, we analyzed the excellent characteristics of the germplasm resources of Qiaoke Tibetan sheep, summarized the significance of carrying out the protection of the genetic resources of Qiaoke Tibetan sheep, and proposed the Ideas and suggestions for the construction of protection and seed production and supply systems.

Abstract:Formosan Serow (Capricornis swinhoei) is a conservation type in Taiwan. The species was admitted to Weihai Liugong Island National Forest Park in April 2011. As a newly introduced species in the mainland, Formosan Serow (Capricornis swinhoei) lacks technology in feeding management and related animal disease diagnosis and treatment. This article takes four Formosan Serows (Capricornis swinhoei) in Liugong Island National Forest Park as an example, combined with the park's many years of management experience, and summarizes the feeding management and common diseases treatment techniques. To provide technical reference for the promotion of Formosan Serow (Capricornis swinhoei) in the mainland.

Abstract:As one of the main animal husbandry production bases in Xinjiang, the Altay region occupies a unique advantage in the development of animal husbandry. The local animal husbandry economy develops rapidly. However, with the influence of factors such as climate change and irrational use, the spread of poisonous weeds has intensified. The spread of poisonous weed populations has led to a decline in grassland productivity and biodiversity, and livestock poisoning has also occurred from time to time. This has caused certain economic losses to local herdsmen, and at the same time laid hidden dangers for the ecological security of grasslands, the healthy development of animal husbandry, and the consolidation of poverty alleviation achievements. Grasslands are an important part of terrestrial ecosystems. At present, the control measures of poisonous weeds in natural grasslands in Altay area are mainly chemical control. In addition, there are methods such as manual digging, machine mowing, and grazing prohibition and rotational grazing management. With the rapid development of social economy and the change of global climate and environment, poisonous weeds have threatened the sustainable development of grassland ecosystem and the construction of ecological civilization in the region. This seriously affects the grazing function of grasslands, restricts the development of grassland husbandry and increases the production and income of farmers and herdsmen.

Abstract:In recent years, Anding District has made full use of local rich natural resources, superior geographical advantages, innovative industrial development models and strong scientific and technological support. This has gradually developed grass husbandry into an important channel for farmers to increase their income and a leading industry for promoting county economic development. Especially in recent years, through the implementation and promotion of the "Grain to Feed" project, the enthusiasm of farmers to plant grass and raise livestock has been further mobilized, the structural reform of the agricultural supply side has been promoted, the planting structure has been optimized, and the development of grass and animal husbandry has been accelerated. This has effectively promoted poverty alleviation and effectively connected rural revitalization. After active exploration and practice, Anding District has gradually embarked on a road of "Grain to Feed" with Anding characteristics.

Abstract:This paper analyzes the potential advantages of Chakouyi horse industry development in view of the current situation of Chakouyi horse industry development in Tianzhu County. Through government support and policy guidance, this provides a basis for the healthy and rapid development of Chakouyi horse industry.

Abstract:This paper explores the egg laying rules of Huoyan geese under the group breeding environment in Liaoning area. In this experiment, the egg production performance of 3000 Huoyan goose breeding geese was measured, and the egg production rate curves were fitted by Wood model, McMillan model and Yang Ning model respectively. We selected the optimal model based on the Rvalue and the Akaike Information Criterion (AIC). The results showed that the curve fitting model F test was significantly different, which can be used to fit the laying rate of Huoyan goose breeding geese. The egg production rate fitted the Yangning model with the highest R (R = 0.874), followed by the compartmental model (R = 0.855), and the Wood model had the lowest fitting degree (R = 0.424), and the AIC index was Yangning model < compartmental model < Wood model. In this experiment, the Huoyan geese started laying later than the actual ones, and the peak duration of egg production rate above 40% was shorter. In summary, the Yang Ning model is suitable for fitting the egg production rate of Huoyan goose breeding geese, and can evaluate and predict its egg production regularity. During the production process, feeding management should be carried out scientifically and rationally according to the model and the characteristics of the laying curve, so as to achieve the optimization of production efficiency.

Abstract:Antimicrobial peptides, also known as antimicrobial peptides, are important components of biological innate immunity. It has a broadspectrum antibacterial effect and is not prone to drug resistance. As a feed additive, antimicrobial peptides can promote growth, prevent diseases and improve the body's immunity. As a veterinary drug, it can treat various bacterial and viral diseases and various parasitic diseases. The function of antimicrobial peptides in livestock and poultry farming is gradually being developed, which is expected to be developed as a substitute for antibiotics and widely used in livestock and poultry farming. This article systematically analyzes and discusses the antimicrobial peptides derived from livestock from the structure, use and mechanism of action, as well as their application in the field of animal husbandry and veterinary medicine.

Abstract:The immune antibody titer after animal vaccination is an important index to evaluate the immune effect. This is the most important basis for measuring the stability of the herd immunity barrier in a region. This can effectively control the occurrence and prevalence of epidemic diseases by improving the titer of immune antibodies, and ensure the healthy development of animal husbandry. In recent years, in the evaluation of the effect of major animal compulsory immunization in our city, the antiantibody titer of Tibetan sheep FMD immunity is not high as a whole. From 2019 to 2021, 2,541, 2,786, and 2,980 sheep serum samples were tested by liquidphase blocking ELISA in veterinary laboratories, but the overall immune antibody pass rate of each batch of serum samples tested was between 55% and 75%. There is a certain gap between this and the requirement of higher authorities that the pass rate of immune antibodies should be kept above 70% all the year round. This paper analyzes the reasons for the low antibody titer of Tibetan sheep footandmouth disease vaccine and puts forward countermeasures. This aims to solve the problem of the overall low titer of immune antibodies in the prevention and control of footandmouth disease in Tibetan sheep in our city, establish an effective immune barrier, and ensure the highquality development of the sheep industry in our city.

Abstract:In recent years, the frequent occurrence of epidemic diseases in China's pig farming enterprises has brought great economic losses to the pig farming industry. In order to reduce the incidence of pigs in pig farms and ensure the normal production order of pig farms, the construction of pig farm biosecurity system is particularly important. According to the actual production of the pig farm, the author summed up the corresponding implementation plan. This is for the reference of the majority of farmers.

Abstract:The rapid spread of African swine fever virus has brought serious impact to China's pig breeding industry. It is a very effective measure to build an African swine fever free community to prevent the occurrence and spread of African swine fever and other animal epidemics, especially the construction of the biosafety management system. The paper describes the basic logic of the construction of the biosafety management system, the composition of the biosafety management system and the key elements of implementing biosafety measures, and shares the practical work experience of Shaanxi Province in the construction of an African hog cholera free community, in order to provide reference for the construction of an African hog cholera free community.

Abstract:In recent years, Chencang District has done a lot of work in animal epidemic prevention. Animal epidemic prevention density and immunization quality have been greatly improved. Due to the special geographical location of Chencang District, this has brought opportunities for the introduction of foreign diseases, and it has also added greater difficulty to the prevention and control of animal diseases. Through the investigation of animal epidemic prevention work in the whole region, we found that there are problems such as imperfect epidemic prevention system and mechanism, serious shortage of personnel, weak technical strength of epidemic prevention personnel, and insufficient investment in epidemic prevention funds. Based on this, this article points out the epidemic prevention suggestions on implementing epidemic prevention funds and increasing technical training.

Abstract:Huoshoucizhou (Qing·Li Nanhui) is a monograph on traditional Chinese veterinary medicine in the Qing Dynasty that was generally valued by the animal husbandry and veterinary circles in my country after "Yuanxiangliaofamaji". This is also a relatively comprehensive work in the existing ancient Chinese veterinary books in my country. "Huoshoucizhou" inherits and develops the cause of traditional Chinese medicine, is dialectically correct, legislation is appropriate, and follows the laws of nature. This book integrates the diagnosis and treatment of cattle, horses, sheep, pigs, dogs, cats and other six livestock diseases and their correct breeding methods, as well as the common sense of cattle and horses. This is mainly spread in southern Sichuan, Tongwei County, Gansu and even the whole country. This escorts the development of animal husbandry production. This has always provided ideas and methods for the treatment of veterinary diseases for Chinese veterinary enthusiasts and scholars.

Abstract:Dog ear itch acariasis is a skin parasitic disease caused by dog ear itch mites (Otodeces cymotis) parasitizing in the ear canal. Dog ear hematoma is a swelling formed between ear cartilage and the inner skin of auricle due to the external force that causes the blood vessels of dog ears to rupture and bleed. Ear itch acariasis is an important cause of ear hematoma. Once it occurs, it needs to be treated in time, and surgery is used in severe cases. A case of ear hematoma caused by ear itch acariasis was diagnosed and treated. The diagnosis and treatment process and related analysis were specifically introduced for clinical reference.

Abstract:The cattle industry in some areas of my country has basically become a pillar industry for rural revitalization in agricultural and pastoral areas. Whether the cattle breeding industry is developed in a place mainly depends on the stock of basic cows. The significance of basic cow breeding is mainly to breed calves, and the higher the survival rate of calves, the more vigorous the industrial development will be. Those who are engaged in the cattle industry and veterinary diagnosis and treatment industry know that calf diseases with blood and diarrhea as the main symptoms are very common. The infection rate, morbidity rate and mortality rate of the disease are relatively high. If the diagnosis is inaccurate and the treatment is not timely, it will easily lead to the death of the cattle and have a huge impact on the development of the cattle industry. This paper adopts the dialectical treatment of traditional Chinese medicine, and adopts the treatment principles of clearing heat and detoxification, cooling blood to stop bleeding, nourishing spleen and replenishing qi, astringing intestines and stopping diarrhea. We have made our own traditional Chinese medicine decoction combined with the treatment principles of Western medicine to strengthen the heart and replenish fluid, antibacterial and antiinflammatory, and regulate electrolytes. This is a comprehensive treatment of the disease. The combination of traditional Chinese and Western medicine learns from each other's strengths and complements each other's weaknesses, and has received very good therapeutic effects.

Abstract:Sheep foot rot mainly causes suppuration, ulceration and lameness of the hooves, which has the characteristics of high incidence and rapid infection. This paper mainly focuses on the diagnosis and treatment of a case of sheep foot rot, and introduces the comprehensive prevention and control measures in more detail. This aims to guide the majority of farmers to learn from the reference, do a good job in the prevention and treatment of the disease, and reduce the economic loss of breeding.