| 稀土壳糖胺螯合盐对热应激肉鸡生长性能和肉品质的影响 |
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| 引用本文： | 王菊花,刘琦,董静,王佳明,刘丹丹,周杰,薛秀恒.稀土壳糖胺螯合盐对热应激肉鸡生长性能和肉品质的影响[J].中国农业大学学报,2019,24(7):104-111. |
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| 作者姓名： | 王菊花 刘琦 董静 王佳明 刘丹丹 周杰 薛秀恒 |
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| 作者单位： | 安徽农业大学动物科技学院;安徽农业大学茶与食品科技学院 |
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| 基金项目： | 安徽省自然科学基金项目（1708085MC81）；安徽省重点研发项目（1704a07020069） |
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| 摘 要： | 为探究稀土壳糖胺螯合盐(Rare earth-chitosan chelate,RECC)对热应激黄羽肉鸡的生长性能和肉品质的影响。本研究选用1日龄的黄羽肉鸡(90只),按照饲养标准饲养至29日龄时开始热应激,试验持续2周。试验分为3组:即对照组(饲养温度约25℃+基础日粮)、热应激组(饲养温度约37℃+基础日粮)以及稀土组(饲养温度约37℃+基础日粮+0.03%RECC)。在热应激1和2周后,分别计算肉鸡平均日增重、料重比,并分析肉品质的变化。结果表明:热应激1周后,肉鸡平均日采食量各组间均无显著性差异(P0.05);而平均日增重的变化是对照组显著高于热应激组(P0.05)和稀土组(P0.01),热应激组和稀土组未见显著性差异(P0.05);对照组腿肌pH显著高于稀土组(P0.05);对照组腿肌剪切力与热应激组和稀土组差异均极显著(P0.01)。热应激2周后,对照组平均日采食量显著高于热应激组(P0.05)和稀土组(P0.01),而热应激组和稀土组之间无显著性差异(P0.05);热应激组平均日增重显著低于对照组和稀土组(P0.05),对照组与稀土组之间未见显著性差异(P0.05);各组间腿肌pH和剪切力均无显著差异(P0.05);热应激组腿肌持水力显著低于与对照组和稀土组(P0.01)。热应激1和2周后,对照组胸肌pH、持水力均显著高于热应激组和稀土组(P0.05);而剪切力均显著低于热应激组和稀土组(P0.05)。研究发现,随着热应激时间的延长,RECC可改善热应激对肉鸡日增重的影响,提高饲料利用率,缓解热应激对肌肉持水力损害,改善肉品质。
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| 关 键 词： | 黄羽肉鸡 稀土壳糖胺螯合盐 热应激 生长性能 肉品质 |
| 收稿时间： | 2018/11/19 0:00:00 |
Effects of rare earth-chitosan chelate on the growth performance and meat quality of yellow-feathered broilers under heat stress |
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| WANG Juhu,LIU Qi,DONG Jing,WANG Jiaming,LIU Dandan,ZHOU Jie and XUE Xiuheng.Effects of rare earth-chitosan chelate on the growth performance and meat quality of yellow-feathered broilers under heat stress[J].Journal of China Agricultural University,2019,24(7):104-111. |
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| Authors: | WANG Juhu LIU Qi DONG Jing WANG Jiaming LIU Dandan ZHOU Jie and XUE Xiuheng |
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| Institution: | College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China,College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China,College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China,College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China,College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China,College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China and College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China |
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| Abstract: | |
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| Keywords: | yellow feather broiler rare earth-chitosan chelate heat stress growth performance meat quality |
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