不同小麦日粮对肉仔鸡肌肉发育的影响
发布时间:2018-11-07 17:11
【摘要】:试验选用出生重相近的艾维茵肉仔鸡公雏240只,随机分为3组,每组4个重复,每个重复20只鸡,对照组为玉米-豆粕型基础日粮。试验Ⅰ、Ⅱ组日粮为含有营养水平相近,但水溶性阿拉伯木聚糖(WSAX)含量不同的两种小麦日粮,试验为期42 d。在试验期第28 d和42 d分别于每组随机抽取12只肉鸡,每个重复3只,解剖后,取胸肌、腿肌,测定胸肌率和腿肌率;于第14、21、28、35、42 d取胸肌样制作石蜡切片,HE染色,显微观察并拍照。测定胸肌纤维直径、密度。结果显示:小麦组肉鸡胸肌率和腿肌率与玉米组相比差异不显著(P0.05);试验组肌纤维密度和直径都趋向降低,在21~42日龄小麦组与对照组相比,肌纤维密度显著降低(P0.05),但小麦组间差异不显著(P0.05);小麦组肌纤维直径与玉米组相比呈降低趋势,在21~42日龄时,试验Ⅱ组的肌纤维直径显著低于对照组和试验Ⅰ组(P0.05)。
[Abstract]:240 male Avian broilers of similar birth weight were randomly divided into 3 groups with 4 replicates in each group and 20 chickens in each replica. The control group was a corn-soybean meal based diet. The diets of trial 鈪,
本文编号:2317016
[Abstract]:240 male Avian broilers of similar birth weight were randomly divided into 3 groups with 4 replicates in each group and 20 chickens in each replica. The control group was a corn-soybean meal based diet. The diets of trial 鈪,
本文编号:2317016
本文链接:https://www.wllwen.com/yixuelunwen/dongwuyixue/2317016.html