生菜生吃是甜的還是苦的?生菜生吃會(huì)有寄生蟲嗎
2022-12-04
更新時(shí)間:2022-03-15 06:48:59作者:佚名
ANALYSIS - $664 million - that's the annual cost of Porcine Respiratory and Reproductive Syndrome (PRRS) to the swine industry, reports Sarah Mikesell from the North American PRRS Symposium.Dr. Derald Holtkamp, associate professor of veterinary medicine at Iowa State, said that equates to about 9.9 million pigs per year which is far more devastating than Porcine Epidemic Diarrhea virus (PEDv), even at its worstThe industry now has an opportunity to classify herds through diagnostics, which plays a key role in managing the virus, he said.
來自北美豬繁殖與呼吸綜合癥(PRRS)研討會(huì)的莎拉·麥克賽(Sarah Mikesell)報(bào)告,每年生豬產(chǎn)業(yè)在豬繁殖與呼吸綜合癥的成本有6.64億美元。愛荷華州獸醫(yī)藥副教授奧爾特坎普(Derald Holtkamp)博士說,“每年相當(dāng)有990萬頭豬死于豬繁殖與呼吸綜合癥,遠(yuǎn)比豬流行性腹瀉病毒(PEDv)最嚴(yán)重的時(shí)期更有破壞性。養(yǎng)豬業(yè)現(xiàn)在可以通過診斷疾病對(duì)豬群分類,在病毒管理上扮演關(guān)鍵性角色。