This order of priority may result in breeding animals failing to maintain themselves . 這個優(yōu)先的順序,可能致使種畜不能滿足維持能量需要。
Code of quarantine technology for the movement of breeding livestock and poultry 種畜禽調(diào)運(yùn)檢疫技術(shù)規(guī)范
Article 15 any animal farm should exterminate animal epidemics in time . stud stock and breeding poultry shall be kept healthy up to the standards set by the state 第十五條動物飼養(yǎng)場應(yīng)當(dāng)及時撲滅動物疫病。種畜、種禽應(yīng)當(dāng)達(dá)到國家規(guī)定的健康合格標(biāo)準(zhǔn)。
In a breeder farm or privately - owned stock farm , the constitution of female livestock is believed to be a significant factor to expand the breeder business at larger size 在一個種畜場或自繁自育畜牧場,能否發(fā)展壯大,關(guān)鍵取決于母畜體質(zhì)狀況,母畜體質(zhì)欠佳,直接影響產(chǎn)仔數(shù)量和發(fā)展規(guī)模。
Foot and mouth disease ( fmd ) is a highly contagious disease of cloven - hoofed animals , notably cattle , pigs , and sheep . presence of fmd in a country severely limits its trade in animals and animals products due to international regulations designed to limit spread of the disease 口蹄疫是多種偶蹄動物(包括家畜和野生動物)的高度接觸性病毒傳染病,被國際獸疫局列為a類傳染病之首,其感染動物后的主要危害是使家畜生產(chǎn)力下降和種畜經(jīng)濟(jì)價值喪失,對畜產(chǎn)品出口貿(mào)易造成嚴(yán)重影響。