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　　US - When it comes to raising pigs, it is important to create a system to produce pigs of uniform size that grow at a similar rate. But, what happens when pigs are showing different feed conversion rates, different signs of disease, and as a result, different rates of growth? Your bottom line starts hurting."When developing a management plan to produce uniform pigs, there are often three things that producers and animal health professionals think of: pig comfort, feed conversion, and disease management," says Dr Eduardo Fano, DVM, MS, Ph.D., a swine technical manager with Boehringer Ingelheim Vetmedica, Inc. (BIVI). Producers know that respiratory diseases can play havoc with growth rates and pig uniformity.

　　當(dāng)提到養(yǎng)豬的時(shí)候，構(gòu)建一個(gè)讓豬與豬以相同的生長速率成長，使他們的生長尺寸都統(tǒng)一的系統(tǒng)顯得尤其重要。但是，當(dāng)豬表現(xiàn)出不同的飼料轉(zhuǎn)化率、不同的疾病特征，又或者不同的生長率時(shí)，會(huì)發(fā)生什么樣的狀況呢?你會(huì)開始虧本。勃林格殷格翰獸醫(yī)藥公司(BIVI)的一名養(yǎng)豬技術(shù)部經(jīng)理兼獸醫(yī)學(xué)博士Eduardo Fano說：“為了飼養(yǎng)出統(tǒng)一標(biāo)準(zhǔn)的豬，生產(chǎn)商與動(dòng)物健康能手在制定管理準(zhǔn)備時(shí)有三個(gè)最常見的考慮因素：豬的舒適性、飼料轉(zhuǎn)化率與疾病管理?！鄙a(chǎn)商都很清晰呼吸道疾病會(huì)嚴(yán)重破壞豬的均衡發(fā)展與生長速率。