牲畜所采食的干物質(zhì)數(shù)量會因可消化性差而減少.Intake of dry matter is also impaired by this lower digestibility.動(dòng)物常有拒絕采食的病史.The animal is usually presented with a history of reluctance to eat.例如, 晝出的小嚙齒動(dòng)物采食漿果 、 堅(jiān)果 、 樹葉 、 果實(shí) 、 種子以及昆蟲.For example...