反刍类生态育肥剂，主要含各种肠道微生物及消化酶等，通过添加到精饲料中，使得反刍类增加食欲，提高瘤胃额功能，进而提高饲料转化率。同时，可以提高反刍类的免疫力，抗病能力，抗应激能力，改善肠道功能，促进生长。使用7-10天后，使得反刍类提高粗饲料利用率30%以上。
他们的结果证明，在现生哺乳类中，鲸豚与偶蹄类最亲近；骆驼、河马、猪及牛羊等反刍动物都属于偶蹄类。
Experts agree that hippos belong to the mammalian order artiodactyla, a group of even - toed, hoofed creatures whose extant representatives include camels, pigs and ruminants such as cows.
长颈鹿是反刍动物，因而属于牛类和鹿类。雄性和雌性长颈鹿都有隐藏的角。
A giraffe chews its cud (3), and therefore is related to cattle and deer. Both the male and female have short covered horns.
皂苷是一类对反刍动物瘤胃发酵有调控作用的植物次级代谢产物。
Saponin is a type of plant secondary metabolite, which contributes to the modulation of rumen fermentation.
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