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.
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;
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.
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.
本试验旨在探明反刍动物前胃内是否存在由微生物酶类参与的膜消化。
The present study was conducted on such ruminants as buffaloes, sheep and calves to explore whether microbial enzymes existed in the rumen of ruminants were involving in membrane digestion.
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.
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.
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.
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.
我们认为，问题的痕量污染正在推行生产过程中不小心的反刍动物饲料含有动物成分的原产地。
We consider the problem of trace contamination being introduced accidentally during the production of ruminants feedstuffs containing constituents of animal origin.
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.
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.
DDGS最先用于反刍动物生产中，近年来，也有很多报道将DDGS用于猪、鸡等单胃动物生产行业。
DDGS was first used in ruminant production. In recent years, there were also many reports related DDGS used in swine, chickens and other single stomach animal production industry.
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.
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.
这些技术证明是成功的研究瘤胃微生物区系，给予更好地了解反刍动物的微生物种群、职务和各种因素的影响。
These technologies have proven successful in studying the rumen microflora, giving a better understanding of ruminant microflora populations, their functions and the influence of various factors.
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.
摘要反刍动物瘤胃内多种多样的微生物组成一个复杂的微生态系统，它们在瘤胃内物质消化过程中发挥重要作用。
Abstract: Varied microbes species in the rumen compose a complex microecosystem, which play an important role in the process of rumen digestion.
摘要：反刍动物瘤胃内多种多样的微生物组成一个复杂的微生态系统，它们在瘤胃内物质消化过程中发挥重要作用。
Abstract: Varied microbes species in the rumen compose a complex microecosystem, which play an important role in the process of rumen digestion.
本文对小肽的营养，反刍动物对小肽的吸收途径、吸收机制及其对小肽的利用，小肽对奶牛生产性能的影响进行综述。
The nutrition, the absorption approach and mechanism, utilization of small-peptide in ruminants and effects of small-peptide on production performance in cows were reviewed.
本文根据反刍动物蛋白质、脂肪营养代谢的特点，较为详尽的阐述了日粮中蛋白质和脂肪水平对粗纤维消化率的影响。
According to the characteristic of the ruminant protein and fat metabolism, Detailed explaining the influence of protein and fat level on the digestibility of crude fiber in ruminant diet.
本文根据反刍动物蛋白质、脂肪营养代谢的特点，较为详尽的阐述了日粮中蛋白质和脂肪水平对粗纤维消化率的影响。
According to the characteristic of the ruminant protein and fat metabolism, Detailed explaining the influence of protein and fat level on the digestibility of crude fiber in ruminant diet.
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