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作 者:王佳玉 杨卉新[2] 丛钰佳 顾党 田玉民 苏玉虹 王铁良
机构地区:[1]锦州医科大学畜牧兽医学院,辽宁锦州121001 [2]南京农业大学动物医学院,江苏南京210095 [3]锦州市太和区畜牧兽医局,辽宁锦州121003
出 处:《粮食与饲料工业》2016年第7期57-60,共4页Cereal & Feed Industry
基 金:辽宁医学院领军人物项目
摘 要:研究限饲对大骨鸡育成期生长性能的影响,将90只12周龄大骨鸡随机分成3个组:自由采食组、限饲Ⅰ组(13~14周龄,105g/(d·只);15~17周龄:110g/(d·只);18~20周龄,120g/(d·只))和限饲Ⅱ组(限饲Ⅰ组的80%);每个组设3个重复,每个重复10只。结果表明:与自由采食组相比,限饲Ⅱ组极显著降低了13~20周龄育成期大骨鸡增重;而20周龄育成鸡体重限饲Ⅰ组与自由采食组、限饲Ⅱ组间差异不显著。限饲Ⅰ组18周龄母鸡的体重均匀度明显改善(P〈0.05)。20周龄体重与13~20周龄累计采食量极显著正相关,自由采食大骨鸡的平均日采食量与周龄极显著正相关。The effect of feed restriction on growth performance of Zhuanghe big bone chicken in growing period was studied.90 Zhuanghe big bone chicken of 12week-old were divided into 3groups randomly,there was 3repititions per group,and each repetition of 10 hens.The experimental treatment groups included free feed intake,feed restriction Ⅰ(13~14week-old,105g/d per bird;15~17week-old,110g/d per bird,18~20week-old,120g/d per bird)and feed restrictionⅡ(80%feed intake of feed restrictionⅠ).The results indicated that 13~20week-old gain of groupⅡ was reduced extremely,compared with the control group,but there were no significant difference in body weight of 20week-old among groupⅡ,groupⅠ and the control group.Weight uniformity of hens of 18week-old in group Ⅰwas significantly improved(P < 0.05).Body weight of 20 weekold and total feed intake of 13~20week-old showed significantly positive correlation.The average daily feed intake of Zhuanghe big bone hens in the contrl group was significantly positively correlated with the age.
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