动物医学专业毕业论文.doc

动物医学专业毕业论文
青岛农业大学
毕 业 论 文〔设计〕

题 目:2022年度山东省日照市地区断奶仔猪病
原性腹泻的调查与
2022-Rizhao city, Shandong province, investigation and analysis of pathogenic diarrhea of weaning piglets
Student majoring in veterinary medicine Wang Haibin
Tutor Gao Shansong
Abstract:3 County of Rizhao city, Shandong province, and is located 30 pig farms were visited and carried out a careful investigation and surveys a total of 1045 onset piglets, 301 first onset piglets and be included in the scope of material submitted for laboratories. Through investigation and analysis, specialization in large-scale pig farms morbidity, mortality, and case-fatality rate of weaned piglets, pathogen detection rate, %, and %, respectively. Which has been in the detection of pathogenic bacteria detection rates, detection rate of viruses, bacteria and viruses mixed infection, %, %, respectively. Professional breeders morbidity, mortality, and case-fatality rate of weaned pig farms, pathogen detection rate, %, and %, respectively. Among them, has been in the detection of pathogenic bacteria detection rates of bacterial virus mixed infection, virus detection rate, %, %, respectively. Piglet diarrhea diseases in the composition of the pathogen and the disease in other parts of the original composition similar to the pathogenic bacteria in weaning piglet diarrhea diarrhea than viral diarrhea; mixed infection pathogenic diarrhea diarrhea is the main factor.
Keywords:Weaning; pathogenic diarrhea; bacteria virus mixed infection with bacteria, viruses
引言
畜牧业是农业的组成成分之一，养猪业又是畜牧业的重要组成局部。我国是农业大国，养猪这个传统已有7000年的历史，故在我国养猪业一向在畜牧业中占有相当大的比重。长期以来，农民养猪是为了解决农作物的生长、增产的有机肥源；大量的农副产品可被猪饲用；其中随着改革开放以来，国民经济的开展和科技水平的提高，特别是在市场经济的推动下，我们养猪业得到了蓬勃的开展机遇期，已从传统的副业生产地位向产业化和现代化过度，并且也从传统的饲养方式向现代化的饲养方式转变。现在养猪业不仅在国民经济中占有很大的比重，同时也逐