Most countries now place restrictions on the importation of livestock. Often a quarantine is required before animals are released. Many countries have passed strict laws requiring that animals infected with certain highly contagious diseases be destroyed.
英
美
- 現在大多數國家對家畜進(jìn)口采取限制措施。通常對家畜得事先經(jīng)過(guò)檢疫然后才予以放行。許多國家通過(guò)了嚴格的法律規定，受某些傳染性疾病感染的動(dòng)物必須予以消滅。
