不同添加量维生素A和维生素E对海蓝褐种公鸡繁殖性能的影响  

Effects of Different Levels of Vitamin A and Vitamin E on Reproductive Performance in Hy-YLine Brown Roosters

作　　者：张磊[1] 刘岐[1] 

机构地区：[1]山西农业大学动物科技学院,山西太谷030801

出　　处：《畜禽业》2009年第2期14-15,共2页Livestock and Poultry Industry

摘　　要：试验选用15周龄个体发育良好、冠髯大而鲜红的海蓝褐种公鸡108只,随机分为6组,每组18只,3个重复。CK为对照组,饲喂基础日粮,Ⅰ、Ⅱ、Ⅲ、Ⅳ和Ⅴ组添加水平分别为VA10000IU/kg+VE15mg/kg、VA12000IU/㎏+VE30mg/㎏、VA14000IU/Kg+VE45mg/㎏、VA14000IU/㎏+VE60mg/㎏和VA18000IU/㎏+VE75mg/Kg。结果表明,(1)试验Ⅲ组睾丸重量极显著于其他各组(P<0.01);Ⅰ～Ⅴ组睾丸纵径均极显著于CK组(P<0.01);Ⅲ组处理睾丸横径显著于CK和Ⅳ、Ⅴ组(P<0.05);(2)Ⅴ组处理射精量均极显著于其他组(P<0.01);Ⅲ组和Ⅴ组处理精子密度均极显著于其他组(P<0.01);Ⅲ组处理精子活力极显著于其他组(P<0.01);Ⅲ组和Ⅳ组受精率显著于其他各组(P<0.05);(3)各组间精子pH值无显著差异(P>0.05)。综合分析不同VA和VE水平对试验种公鸡繁殖性能指标的变化,本试验研究表明:VA和VE的适宜添加量为VA14000IU/kg+VE45mg/㎏。108 healthy Hy-Line Brown roosters in fifteen weeks assigned randomly to 6 group with 3 replicates,6 roosters in each replicate. CK .is one control group fed basal diet. The other five levels is vitamin A 10 000 IU/Kg＋ vitamin E 15 mg/Kg, vitamin A 12 000 IU/Kg＋ vitamin E 30 mg/Kg, vitamin A 14 000 IU/Kg＋ vitamin E 45 mg/Kg, vitamin A 14 000 IU/Kg＋ vitamin E 60 mg/Kg, vitamin A 18 000 IU/Kg＋ vitamin E 75 mg/Kg. The results shows that： （1） Testis weight of group Ⅲ was extremely significant （P〈0.01）; The difference of testis longitudinalis diameter between group I- V and CK was extremely significant （P〈0.01）; The difference of testis transversalis diameter between group Ⅲ and CK, group Ⅳ, V was significant （P〈0.05） （2） Semen volume of group V was extremely higher than of other groups （P〈0.01）; The density of sperm in group Ⅲ and group V was extremely significant （P〈0.01）; The difference of sperm motility between group Ⅲ and other groups was extremely significant （P〈0.01）; The difference of fertility rate in group Ⅲ and group IV was significant （P〈0.05）. （3） There was no significantly difference on the pH value （P〉0.05）. All of the variety of reproductive performance parameters analysed in each group indicated that the optimal supplementation of vitamin A and vitamin E was 14 000 IU/Kg＋ 45 mg/Kg in this experiment.

关 键 词：维生素A 维生素E 海蓝褐种公鸡 繁殖性能 

分 类 号：S831.5[农业科学—畜牧学]