This review focuses on the effect of the pelleted TMRs on feed intake, kinetic of dairy cows digestion, energy and nitrogen metabolism and ruminant performance, and the economic benefits of the pelleted TMRs.

本文就全混合日糧對(duì)奶牛采食量亚洲日韩A∨无码男男、瘤胃動(dòng)態(tài)消化欧美一级a一片免费观看、體內(nèi)代謝、養(yǎng)分消化率和生長(zhǎng)性能的影響及其在實(shí)際生產(chǎn)中的經(jīng)濟(jì)效益作一綜述国产AV色浴。

The main methods used, or under investigation, for production of rumen gene engineering bacteria are:gene deletion technique, gene recombination technique and the application of promotor.

正在應(yīng)用的或處于研究階段的構(gòu)建瘤胃基因工程菌的方式主要有基因缺失技術(shù)黄片免费直接看、基因復(fù)制性重組技術(shù)和啟動(dòng)子的應(yīng)用技術(shù)。

Propionic acid from ruminal microbes fermentation is a vital glyconeogenesis substrate for prevention of negative energy balance.

奶牛圍產(chǎn)期能量代謝的特點(diǎn)是能量負(fù)平衡，瘤胃發(fā)酵產(chǎn)生的丙酸是奶牛糖異生供能的主要底物伊人91无码在线，對(duì)預(yù)防奶牛能量負(fù)平衡具有重要的意義www精品.国产。

The application of molecular biotechnology such as molecule marker and the small subunit ribosomal RNAin the research of ruminal protozoal was reviewed.

分子標(biāo)記和基于小亞基核糖體RNA的分子生物學(xué)技術(shù)可以在基因和分子水平上為研究瘤胃原蟲(chóng)提供可靠而豐富的依據(jù)。

The result indicated that ruminal pH declined significantly with prolong time of fermentation, but it still in the natural change extension.

結(jié)果表明：模擬瘤胃培養(yǎng)液pH隨著培養(yǎng)時(shí)間的延長(zhǎng)而下降天天舔天天日天天射，但仍在正常的變化范圍之內(nèi)女人逼的视频。

In conclusion, amino acid default could influence the growth of the ruminal protein-degrading bacteria in vitro.

由此得出，在體外培養(yǎng)條件下日韩欧美强迫视频网，氨基酸缺省將影響瘤胃蛋白質(zhì)降解菌的生長(zhǎng)黄片视频在线播放。

Calf starter is a crucial link to proper ruminal development and successfully weaning.

犢牛料與瘤胃的正常發(fā)育和成功斷奶密切相關(guān)。

This experiment was conducted to study the effects of different dietary Alkyl Polyglycoside levels on ruminal fermentation characteristic in order to observe the potential use value of APG in feed additive area.

本試驗(yàn)通過(guò)研究日糧中添加不同水平的烷基多糖苷(alkyl polyglycoside久久精品性， APG)對(duì)山羊瘤胃發(fā)酵特性的影響日韩一区高清在线播放免费，考察APG在飼料添加劑領(lǐng)域的潛在用途。

In experiments 1, various steam conditioning time (0, 15, 30, 45 and 60 min) of pre-steam-flaking high oil corn were selected to determine the effect of the steam conditioning time on the gelatinization of starch and ruminal fermentation in vitro.

試驗(yàn)1 采用調(diào)制時(shí)間為0min日韩黄色无码黄色、15min亚洲黄色高清视频在线观看、30min、45min国产精品h片在线播放、60min的高油玉米啪啪啪com，研究不同調(diào)制時(shí)間對(duì)預(yù)處理的蒸汽壓片高油玉米淀粉糊化度和人工瘤胃發(fā)酵的影響。

Result The adding level of V in diet from 110 IU/kg BW to 165 IU/kg BW had a tendence of effect on increasing the mill yield and V in milk, but the effect was lower than the group of adding ruminal protected V.

結(jié)果］奶牛日糧中維生素A的添加量由110 IU/kg BW提高至165 IU/kg BW国产精品无码AⅤ片，有明顯減緩泌乳中后期奶牛日產(chǎn)奶量的下降及提高乳中維生素A含量的趨勢(shì)免费观看肉肉啪啪污网站，但其效果不如添加相同劑量的過(guò)瘤胃保護(hù)維生素A微膠囊。