随后，当这些反刍动物开始行动时，它们吃到的是植物较低部位的叶子。
As the ruminants then set to work, they eat down to the lower, leafier parts of the vegetation.
非反刍动物并不能从植物的坚硬部分汲取太多能量；但是它们的肠胃能够快速地消化并且处理食物，从而大大地弥补了这方面的不足。
Nonruminants cannot extract much energy from the hard parts of a plant; however, this is more than made up for by the fast speed at which food passes through their guts.
当食物短缺时，反刍动物比非反刍动物寿命更长，因为反刍动物可以从同样的食物中获得更多的能量。
When food is in short supply, a ruminant can last longer than a nonruminant because it can derive more energy out of the same food.
诸如口蹄疫（FMD）、螺旋蝇蛆和小反刍动物有害生物（PPR）等跨界动物疾病尤其给伊拉克和该区域带来威胁。
Transboundary animal diseases such as Foot-and-Mouth Disease (FMD), screwworm and peste des petits ruminants (PPR) are especially threatening in Iraq and in the region.
雌性野犬贝尔(Bell)捕食回来，受到11只幼犬的欢迎。它们迫不及待地想从母亲那里得到一餐反刍的肉食。
Back from a kill, Bell, the breeding female of her pack, is greeted by 11 pups, anxious to nurse and beg a meal of regurgitated meat.
食物选择是反刍动物营养生态学的重要研究内容之一。
Research advances in diet selection mechanisms of grazing herbivores;
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.
该技术的应用有望解决反刍动物营养研究中诸多热点或难点问题。
The application of metagenomics may solve many hot and difficult problems in rumen nutrition.
更大的问题在于，谣言一经媒体的轮番反刍，便人尽皆知，难以澄清。
The larger problem with all that is that rumors, once they're put out there into the maw of the media, are notoriously hard to correct.
日反刍行为的季节间差异是由气候、草地状况和放牧制度共同影响的结果。
The diurnal ruminating difference between different seasons was the result of the effect, which was caused by the climatic factor, grass condition, and the grazing system.
安第斯山脉的小型野生反刍动物，形似原驼但较小；以其蓬松的绒毛而贵重。
Small wild cud-chewing Andean animal similar to the guanaco but smaller; valued for its fleecy undercoat.
鸡栖在窗台上，鸽子飞上了椽子，绵羊和牛在猪后面趴下了，开始在那儿反刍。
The hens perched themselves on the window-sills, the pigeons fluttered up to the rafters, the sheep and cows lay down behind the pigs and began to chew the cud.
甲烷的主要自然源包括反刍动物和一些昆虫的肠发酵及淹水土壤的有机物的厌氧分解。
The Major natural sources of atmospheric methane include enteric fermentation in ruminants and some insects, and the anaerobic decomposition of organic matter in waterlogged soils.
解释反刍思维的理论有反应风格理论、目标驱动反刍理论、自我调节的执行功能模型。
There are three major hypotheses for rumination:the response styles theory, the goal-driven rumination and the self-regulatory executive function.
反刍家畜瘤胃甲烷气体的排放是一种能量损失，同时对大气环境具有较强的增温效应。
CH_4 emissions from ruminants result in not only a loss of metabolic energy, it is also a greenhouse gas and as such significantly contributes to atmospheric warming.
通过适宜的日粮营养补添调控反刍动物瘤胃微生物区系的生长可提高粗饲料的利用效率。
Improving the growth of rumen microorganisms by supplementing some nutrients into ruminant's ration is an essential way to improve the nutritive value of roughage.
脂肪作为供能的营养素热增耗低，在反刍动物日粮中添加脂肪是提高日粮能量浓度的重要途径。
The high content of energy and low consumption in supplying energy fat added was used as an effective method of increasing diet energy concentration.
摘要 ：反刍动物由于瘤胃微生物的存在能够分解并利用饲料中的纤维素来提供能量和蛋白质。
Abstract : Ruminants are able to utilize fibrous feed as a source of energy and nutrients due to the ruminal microbes, composed mainly of bacteria, fungi, and ciliate protozoa.
家畜牧食行为包括采食、反刍，游走，饮水，卧息和排泄粪尿，其中采食和反刍是两大主要行为。
Grazing behaviour including behaviour of foraging, walking, ruminating, drinking, resting, excreting is mainly composed of foraging and ruminating behaviour.
详细描述了用六氟化硫示踪法测定反刍动物甲烷排放的技术，包括基本原理、仪器准备和测试条件。
The measurement technique of methane emissions from ruminant livestock ushg SF6tracer method was described, which included the basic principle, instrument preparation and the experiment condition.
双外流连续培养系统是目前研究反刍动物瘤胃生理学、发酵生物化学和微生物学的较为理想的模型。
A dual-flow continuous culture system provides a relatively ideal model for simulating rumen fermentation, including physiology, biochemistry and microbiology.
至于猪，虽有偶蹄，却不反刍，对你们也是不洁的；你们不可吃这些走兽的肉，也不可摸牠们的尸体。
The swine also, because it divideth the hoof, but cheweth not the cud, shall be unclean, their flesh you shall not eat, and their carcasses you shall not touch.
你也许会问，她为什么要这样做呢？别人养牛不是只看着它们反刍、产奶、在下雨之前卧下就满足了吗？
Why, you may well ask, when most cow-owners are surely content to let the creatures chew and lactate and sit down to indicate the imminent arrival of rain?
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.
本文综述了日粮纤维对非反刍动物肠黏膜形态和上皮细胞更新的影响及其作用机理和对动物消化功能的影响。
Effects of dietary fiber on intestinal mucosal morphology and epithelial cell turnover, mechanisms and digestive functions in non-ruminant animals were reviewed.
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.
哺乳纲中的偶蹄目动物，是因四肢的蹄为偶数而得名，现存于世界上的包括了牛这类反刍动物，以及骆驼和猪等。
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.
哺乳纲中的偶蹄目动物，是因四肢的蹄为偶数而得名，现存于世界上的包括了牛这类反刍动物，以及骆驼和猪等。
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.
哺乳纲中的偶蹄目动物，是因四肢的蹄为偶数而得名，现存于世界上的包括了牛这类反刍动物，以及骆驼和猪等。
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.
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