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【答案】应助回帖
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pydsn88: 金币+10, 翻译EPI+1, ★★★★★最佳答案, 大爱啊，谢谢你这么耐心的看完，并帮我翻译，我太感动了，帮了新虫大忙 再次致谢 2012-05-31 11:26:25
Abstract: I flock to the Liaocheng Guan County and its various villages and towns over 300 chicken farms or farmers for the survey, through the process witnessed in Liaocheng the Guanxian Lu crown standardized broiler breeding plant production practices, and consult the local veterinary station workpersonnel and staff of the local Animal Husbandry Bureau, the prevalence of infectious bursal disease in this region and Drug immune status, treatments, etc., on-site consultation and consult their records. The survey results show that: the occurrence of infectious bursal disease and weather and climate are closely related, usually in the summer, easy to outbreaks and the Spring and Autumn early, especially within 3 months of age is 7 to 40 days old, small chicken, and more susceptible to infectious bursal disease. The the incidence of of typical Infectious Bursal Disease in order to the the entire flocks abrupt onset and, the sick chicken-head curled up, at first glance Mao, the the spirit of is extremely gloomy, appetite waste must, row of milky white water samples loose stools, the eye for a long time closed not open, the winged drooping, respiratory difficult, rough paws dry and rough, and finally failure to death for the clinical characteristics. Guan County area chicken farms or chicken farmers chicken infectious bursal disease epidemic because of the low level of flock immunity, the immunization program is unreasonable, the stocking density is too large, feeding and management negligence, not promptly disinfected for epidemic prevention and many other factors. Recommended that raising the the chicken farm or aquaculture households of the in the region to through improved the feeding and management, to carried out the the formal immune, to strengthen the disinfected for epidemic prevention, reasonable settings the density of rearing to control the the the the occurrence of and popular of the the disease, in order to Prevention and Treatment of Infectious bursa of Fabricius disease outbreaks of bring the extremely serious loss of production and operation, to reduce farming risk of farming profits.
Key words: infectious bursal disease; RNA viruses; Infectious Bursal Disease Virus; AGPT; bursal你再好好看看。嘿嘿。 |
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