研究论文 RESEARCH PAPER

饲粮胆汁酸水平对冬毛期乌苏里貉生长性能、氮代谢及血清生化指标的影响

  • 赵惠媛 ,
  • 申树瑞 ,
  • 张海华 ,
  • 张凤敏 ,
  • 张朝生 ,
  • 霍新钰
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  • 河北科技师范学院动物科技学院, 河北省特色动物种质资源挖掘与创新重点实验室, 秦皇岛 066004
赵惠媛(1986—),女,河北秦皇岛人,讲师,博士,研究方向为动物学。E-mail:huiyuanzhao1986@163.com

收稿日期: 2021-10-27

  网络出版日期: 2022-05-14

基金资助

河北省大学生创新创业训练项目(202010798012);国家级大学生创新创业训练项目(202110798003);河北省青年拔尖人才项目(180443);河北省高校百名优秀创新人才项目(SLRC2019048);河北科技师范学院动物科技学院院级科研项目(DK202102);河北科技师范学院博士研究启动基金项目(2014YB005)

Effects of Dietary Bile Acid Level on Growth Performance, Nitrogen Metabolism and Serum Biochemical Indexes of Fur-Growing Raccoon Dogs

  • ZHAO Huiyuan ,
  • SHEN Shurui ,
  • ZHANG Haihua ,
  • ZHANG Fengmin ,
  • ZHANG Chaosheng ,
  • HUO Xinyu
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  • Hebei Key Laboratory of Specialty Animal Germplasm Resources Exploration and Innovation, College of Animal Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China

Received date: 2021-10-27

  Online published: 2022-05-14

摘要

本试验旨在研究饲粮中胆汁酸水平对冬毛期乌苏里貉生长性能、氮代谢及血清生化指标的影响。选取135日龄、体重相近、健康的雄性乌苏里貉64只,随机分为4组,每组16个重复,每个重复1只,分别在基础饲粮中添加0(Ⅰ组)、100(Ⅱ组)、300(Ⅲ组)、500 mg/kg (Ⅳ组)胆汁酸。试验预试期5 d,正试期80 d。试验测定乌苏里貉生产性能、氮代谢及血清生化指标的变化。结果表明:Ⅱ组和Ⅲ组末重、平均日增重及料重比显著优于Ⅰ组(P<0.05);Ⅱ组的粗脂肪消化率及净蛋白质利用率均显著高于Ⅰ组和Ⅳ组(P<0.05),Ⅱ组和Ⅳ组的血清总胆固醇含量存在显著差异(P<0.05);Ⅳ组血清甘油三酯含量显著高于其余3组(P<0.05);Ⅰ组的肝脏指数、肾脏指数与Ⅱ组及Ⅳ组存在显著差异(P<0.05),与Ⅲ组存在极显著差异(P<0.01);Ⅰ组的脾脏指数与Ⅱ组、Ⅲ组存在显著差异(P<0.05)。综上所述,本试验条件下,饲粮中胆汁酸的添加水平为100~300 mg/kg,冬毛期乌苏里貉具有较好的生长性能。

本文引用格式

赵惠媛 , 申树瑞 , 张海华 , 张凤敏 , 张朝生 , 霍新钰 . 饲粮胆汁酸水平对冬毛期乌苏里貉生长性能、氮代谢及血清生化指标的影响[J]. 动物营养学报, 2022 , 34(5) : 3233 -3240 . DOI: 10.3969/j.issn.1006-267x.2022.05.049

Abstract

The objective of the study was to investigate the effects of bile acid level on the growth performance, nitrogen metabolism and serum biochemical indexes of raccoon dogs during the fur-growing period. A total of 64 male raccoon dogs aged 135 d were selected and randomly assigned to four groups with 16 repetitions in each group and 1 raccoon dog in each repetition. Animals in each group were fed diets with different levels of bile acid based:0 (group Ⅰ), 100 (group Ⅱ), 300 (group Ⅲ), 500 mg/kg (group Ⅳ). The pre-experimental and experimental periods lasted for 5 and 80 days, respectively. The growth performance, nitrogen metabolism and serum biochemical indexes of raccoon dogs were determined. The results showed as follows:the final weight, average daily gain and feed to gain ratio of raccoon dogs in group Ⅱ and group Ⅲ were significantly better than those in group Ⅰ (P<0.05); the ether extract digestibility and net protein utilization in group Ⅱ were significantly higher than those in group Ⅰ and group Ⅳ (P<0.05), and significant difference existed in serum total cholesterol content between group Ⅱ and group Ⅳ (P<0.05); serum triglyceride content in group Ⅳ was significantly higher than that in other groups (P<0.05); the liver index and renal index in group Ⅰ were significantly different from that in group Ⅱ and group Ⅳ (P<0.05), which were extremely significantly different from that in group Ⅲ (P<0.01); the spleen index in group Ⅰ was significantly different from that in group Ⅱ and group Ⅲ (P<0.05). In conclusion, under the condition of this experiment, the optimal level of bile acid is 100 to 300 mg/kg, and raccoon dogs during the fur-growing period has better growth performance.

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