毕 业 论 文〔设计〕
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