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，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含量的趨勢国产最爽的乱婬视频a群体，但其效果不如添加相同劑量的過瘤胃保護(hù)維生素A微膠囊男人强奷女人视频120分钟。

Supplementation of lipid can effectively improve digestible energy content of diet. As a result, the quantity of concentrate feeding can be reduced. However, too much lipid consumption may reduce ruminal fiber degradation.

補(bǔ)充油脂能有效提高日糧的可消化能含量，因此可以減少精料的飼餵量h福利视频网站，但是用量過多可能會(huì)降低瘤胃中纖維的分解免费一终婬片A片AAA毛片。

In order to study species resource from ruminal fluid, one strain of methionine-degrading bacterium MB6-1 was isolated and purified. 16 S rRNA encoding gene (16 S rDN4) from MB6-1 was amplified by PCR, and its nucleotide sequence was determined.

為分析研究山羊瘤胃液中甲硫氨酸降解菌群的物種資源，對(duì)經(jīng)分離純化獲得的一株甲硫氨酸降解菌MB6-1天天av天天操，采用PCR方法擴(kuò)增其16 S rDNA基因免费在线观看一级黄色视频网址免费在线观看，并測定其基因的核苷酸全序列。

Compared with the Pre-trial period, during the Trial period milk production, milk protein and lactose production significantly increased, ruminal pH decreased 6.64 vs.

與對(duì)照期比較欧美高清不卡一区，BSN2處理期奶牛產(chǎn)奶量顯著增加欧洲美州亚洲妇女操b黄色视频，奶中乳蛋白和乳糖產(chǎn)量增加(P 0.05)，瘤胃pH降低6.64 vs久久99久久992019。

In order to study species resource from ruminal fluid, one strain of methionine- degrading bacterium MB6-1 was isolated and purified. 16 S rRNA encoding gene (16 S rDNA) from MB6-1 was amplified by PCR, and its nucleotide sequence was determined.

摘 要：為研究山羊瘤胃液中甲硫氨酸降解菌群的物種資源日韩激情影院无码视频，對(duì)經(jīng)分離純化獲得的一株甲硫氨酸降解菌MB6-1，采用PCR方法擴(kuò)增其16 S rDNA基因亚洲毛片在线直播大全，并測定其基因的核苷酸全序列国产精品新品厕所。

An in vitro gas production experiment was conducted to investigate the effect of oil selection progress of Beinongda high oil population on chemical composition, ruminal digestion characteristics and fermentation traits in vitro.

在北農(nóng)大高油米群體的16個(gè)選擇輪次中隔輪選取籽粒樣品為試驗(yàn)材料，利用活體外人工瘤胃產(chǎn)氣量方法2021免费三级片。

Three in vitro gas production experiments were conducted using the procedure described by Menke et al.(1979) to investigate the effect of steam conditioning time, processing method and corn variety on the gelatinization of starch and ruminal fermentation characteristics of corn grains.

本文應(yīng)用人工瘤胃法AⅤ精品视频在线观看，進(jìn)行以下三個(gè)試驗(yàn)研究：1 不同調(diào)制時(shí)間預(yù)處理的蒸汽壓片高油玉米對(duì)淀粉糊化度和人工瘤胃發(fā)酵的影響；2 比較最佳調(diào)制時(shí)間處理的蒸汽壓片日批国产、微化亚洲一区无毛片免费在线观看、膨化及爆破不同方法處理的高油玉米對(duì)淀粉糊化度和人工瘤胃發(fā)酵的影響；3 不同品種玉米對(duì)淀粉糊化度和人工瘤胃發(fā)酵的影響手机日韩精品第一页在线观看免费。

Dietary amino acid influences both fermentation and microbial community. Branch chain AAs are essential AA for the growth of ruminal mixed microbes.

底物氨基酸對(duì)瘤胃混合微生物群系及其發(fā)酵有一定的影響作用精品久久久久久无码中文字幕，支鏈氨基酸是瘤胃混合微生物生長所必需的氨基酸国模漏逼。

By developing the optional measurement condition for ruminal fermentation products and comparing the effects of different levels of tannic acid on fermentation and methane production, the proper adding levels of tannic acid in vitro was established. We also examined the characteristics of rumen fluid fermentation and methane production of tannic acid unsupplemented or supplemented with different forage : concentrate ratios by using gas production method.

通過對(duì)瘤胃體外發(fā)酵系統(tǒng)中單寧酸的生物降解以及對(duì)瘤胃內(nèi)環(huán)境影響的研究，初步確立了單寧酸改善瘤胃發(fā)酵的適宜添加量及其效果男人的天堂爽视频；并探討了在不同精粗比底物條件下單寧酸對(duì)瘤胃體外發(fā)酵和甲烷產(chǎn)量的作用国产第二页。

The effects of polyunsaturated fatty acid from soybean oil and cottenseed oil on the accumulation of Trans vaccenic acid -biohydrogenation of ruminal microbes and rumen fermentation were researched with artificial rumen.

采用人工瘤胃法研究了豆油和棉籽油中亞油酸等多聚不飽和脂肪酸在瘤胃微生物作用下的氫化中間產(chǎn)物trans11油酸變化規(guī)律以及對(duì)瘤胃發(fā)酵的影響。