李曼资料

中国猪繁殖与呼吸综合征的现状、
问题与对策
Current situation, problems and control
strategy of PRRS in China
杨汉春, Hanchun Yang
中国农业大学动物医学院
College of Veterinary Medicine, China Agricultural
University
2013 10 15
Leman China Swine Conference 内容提要
Outline
? 猪繁殖与呼吸综合征的流行现状
Current situation of PRRS in China
? 猪繁殖与呼吸综合征防控中的问题
Problems of PRRS prevention and control in
China
? 繁殖与呼吸综合征的控制对策
Control strategy of PRRS一、猪繁殖与呼吸综合征的流行现状
Current situation of PRRS in China
? 猪繁殖与呼吸综合征已成为危害中国养猪生产的
第一大病
PRRS is the first ranking disease that impacts swine
production in China.
? 高致病性猪繁殖与呼吸综合征病毒（HP PRRSV）
的出现和广泛流行，加剧了该病的复杂性和控制
难度。
The emergence and extensive prevalence of HPPRRSV in 2006 further aggravate the complexity of
PRRS and its difficulty of controlling in China.? 2006 2007年由高致病性猪繁殖与呼吸综合征病
毒所致PRRS疫情的大爆发之后，逐渐变得缓和
，目前仍有散发性疫情发生，呈现地方流行性。
PRRS caused by HP-PRRSV is sporadic and endemic
after epidemic of 2006-2007.
? 高致病性猪繁殖与呼吸综合征病毒的毒力仍未降
低，发病猪群仍呈高发病率和高死亡率。
HP-PRRSV remains high virulence for pigs. The
affected pig herds show high morbidity and
mortality.? 临床疫情一年四季均可发生
The clinical outbreaks caused by HP-PRRSV
occur in all seasons.
? 饲养管理水平高的规模猪场相对较平稳
PRRS exhibits stable situation in intensive
pig farms with good management
? 疫情在中、小型猪场与散养户多发
The outbreaks caused by HP-PRRSV occur in
middle-, small-size pig farms and backyard
farms. ? HP PRRSV感染的临床症状呈现多样化
The affected pig herds exhibit diversity of
clinical sign.
体温升高 high fever, over 41 ℃
呼吸道症状（喘气、咳嗽、呼吸困难）
Respiratory conditions
消化道症状（腹泻）diarrhea
神经症状 nerve signs
母猪繁殖障碍（流产）
reproductive failures in pregnant sows? 种猪群的亚临床感染和带毒
subclinical infection and virus-carrier in breeding.......

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