In a 4×4 latin square design four steers (500±50) kg with permanent rumen and abomasum cannulae were fed on the different type of diets to study the effects of fiber digestion and VFA in the rumen on the methane production.

裝有瘤胃和真胃瘺管的成年閹牛4頭www.jslongdi.com，體重（500±50）kg中文字幕黄色网站，采用4×4完全拉丁方試驗設(shè)計黄色视频页面入口，在呼吸代謝室內(nèi)就不同日糧的纖維消化爱爱网站1000、瘤胃內(nèi)VFA對甲烷產(chǎn)生量的影響進行了研究偷拍偷窥第一页。

METHODS: After instrumentation with arterial and sagittal-sinus cannulae, electrocorticogram, and sagittal sinus Doppler flow measurement seven adult sheep were given a random sequence of short anesthetic infusions with methohexital, ketamine, and propofol.

斦otilde成h人视频网站；法：7只羾，先在每只羾身舉安置徨脈和失羶竇導(dǎo)管先锋影音最新av资源网址，腦皮層電圖和失羶竇超聲血流分析儀欧美日韩色图，然后隨機給予小劑量的異丙酚，美索比托和氯胺酮進行短時間麻醉在线看黄AV免费看，同時采取多個血樣標本和腦電圖變化來評估藥效在线观看91精品国产婷婷。

One of the cannulae was used for microinjection, and the other was used for microinjection or perfusion.

這些結(jié)果提示，腦內(nèi)與嗎啡鎮(zhèn)痛有關(guān)的上述四個核團很可能通過神經(jīng)纖維聯(lián)成環(huán)狀的回路免费观看一级免费观看一级黄片视频。

Experiments were done on four dairy goats fitted with rumen cannulae and fed under different feeding regimes to measure the variations of ciliate protozoal population, pH and Eh in the rumen.

應(yīng)用4頭置有永久性瘤胃瘺管的乳用山羊最新在线观看精品国产福利片，進行了三種不同飼養(yǎng)制度下瘤胃纖毛蟲種群及pH和Eh變化的測定。結(jié)果表明激情性爱视频全黄色，日糧性質(zhì)是影響山羊瘤胃纖毛蟲種群變化的主要因素性爱综合。纖毛蟲密度以含飼期喂精料加干草最高；精料加青草次之欧美变态视频；放牧青草期最低亂倫网站。

METHODS : We built a vein model and inserted cannulae between 14 and 20-gauge.

我們建立一個靜脈模型，分別置入從14號到20號套管淫乱精品自拍。

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