反刍胃复胃或多室胃,包括四个相通的隔室,按食物运转次序,从前到后分别叫做瘤胃、网胃、瓣胃、皱胃(见图反刍动物胃的结构)。前三个胃室合称前胃,不分泌胃液;第四个胃室即皱胃才有真正的胃腺,可分泌胃液,其消化作用和单胃动物的相同。哺乳动物偶蹄目的驼科、鹿科、长颈鹿科和牛科的动物都有反刍胃,故称反刍动物。
反刍动物胃虫病 haemonchosis of ruminant
在非反刍动物的胃肠道 Gastrointestinal tract
反刍动物前胃疾病 [兽医] fore stomach disease of ruminant
畜牧业造成温室气体甲烷的排放,甲烷来自反刍动物的胃,特别是牛,畜牧业还通过增加森林砍伐造成更多二氧化碳的排放。
Livestock farming drives emissions of the greenhouse gas methane, from the stomachs of ruminants and especially cattle, and of carbon dioxide by increasing deforestation.
用RM-6008型记录仪记录了绵羊在安静、进食、反刍和嗳气等状态下的食管、网胃和瘤胃的前背囊、后背盲囊、后腹盲囊、前腹囊的电活动及其先后次序。
The electrical activities and sequences of oesophagus, reticulum and the four compartments of rumen in sheep were recorded with polygram system RM-6008 during rest, feed, rumination and eructation .
应用推荐