反刍与草食动物营养与饲料 RUMINANT AND HERBIVORE NUTRITION AND FEED

不同地面类型对育肥羊生长性能、养分表观消化率和血清生化指标的影响

  • 王超 ,
  • 张会文 ,
  • 赵娟娟 ,
  • 车大璐 ,
  • 赵寿培 ,
  • 张伟涛 ,
  • 李雪梅 ,
  • 付艳芳 ,
  • 高玉红
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  • 1. 河北农业大学动物科技学院, 保定 071001;
    2. 承德市农牧局科技教育工作站, 承德 067000;
    3. 河北省畜牧总站, 石家庄 050035
王超(1996-),男,河北邯郸人,硕士研究生,研究方向为动物营养与环境控制。E-mail:1305679586@qq.com

收稿日期: 2019-12-26

  网络出版日期: 2020-06-16

基金资助

河北省现代农业产业技术体系羊产业创新团队建设专项(HBCT2018140205)

Effects of Different Floor Types on Growth Performance, Nutrient Apparent Digestibilities and Serum Biochemical Parameters of Fattening Sheep

  • WANG Chao ,
  • ZHANG Huiwen ,
  • ZHAO Juanjuan ,
  • CHE Dalu ,
  • ZHAO Shoupei ,
  • ZHANG Weitao ,
  • LI Xuemei ,
  • FU Yanfang ,
  • GAO Yuhong
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  • 1. College of Animal Science and Technology, Hebei Agricultural University, Baoding 071001, China;
    2. Technology and Education Station of Chengde Agricultural Bureau, Chengde 067000, China;
    3. Animal Husbandry Station of Hebei, Shijiazhuang 050035, China

Received date: 2019-12-26

  Online published: 2020-06-16

摘要

本试验旨在研究不同地面类型对育肥羊生长性能、养分表观消化率和血清生化指标的影响。选择健康、体重相近的育肥后期小尾寒羊135只,采用单因素随机设计,随机分为3组,每组3个重复,每个重复15只羊。3个试验组地面类型分别为素土实体地面(地圈组)、高架水泥漏缝地板(漏缝组)和高架水泥漏缝地板下中空部分四周用棉帘封堵(漏缝围堵组)。试验期28 d。结果表明:1)漏缝围堵组的地面温度显著高于漏缝组和地圈组(P<0.05)。各组之间地面相对湿度无显著差异(P>0.05)。2)漏缝围堵组和漏缝组的料重比显著低于地圈组(P<0.05),漏缝围堵组和漏缝组的平均日饮水量显著低于地圈组(P<0.05),漏缝围堵组和漏缝组的平均日增重显著高于地圈组(P<0.05)。3)漏缝围堵组的中性洗涤纤维、磷表观消化率显著高于漏缝组和地圈组(P<0.05),漏缝组显著高于地圈组(P<0.05)。漏缝围堵组的干物质、粗蛋白质表观消化率显著高于地圈组(P<0.05),漏缝组的有机物表观消化率显著低于漏缝围堵组和地圈组(P<0.05),漏缝围堵组和漏缝组的钙表观消化率显著高于地圈组(P<0.05)。4)漏缝围堵组的血清生长激素含量显著高于地圈组(P<0.05),漏缝围堵组的血清三碘甲状腺原氨酸和甲状腺素含量显著低于漏缝组(P<0.05),漏缝围堵组和漏缝组的血清尿素氮含量显著高于地圈组(P<0.05)。由此可见,高架水泥漏缝地板下中空部分四周用棉帘封堵可提高地面温度,缓解了育肥羊的冷应激,进而提高了育肥羊的生长性能,并改善了养分表观消化率。

本文引用格式

王超 , 张会文 , 赵娟娟 , 车大璐 , 赵寿培 , 张伟涛 , 李雪梅 , 付艳芳 , 高玉红 . 不同地面类型对育肥羊生长性能、养分表观消化率和血清生化指标的影响[J]. 动物营养学报, 2020 , 32(6) : 2730 -2737 . DOI: 10.3969/j.issn.1006-267x.2020.06.032

Abstract

The purpose of this study was to investigate the effects of different floor types on growth performance, nutrient apparent digestibilities and serum biochemical parameters of fattening sheep. A total of 135 healthy small-tailed sheep at the late fattening stage with similar weight were randomly divided into 3 groups with 3 replicates per group and 15 sheep per replicate. The floor types of 3 groups were solid earth floor (solid group), cement slatted floor (slatted group) and cement slatted floor blocked by cotton curtains (blocked-gap group). The experiment lasted for 28 days. The results showed as follows: 1) the floor temperature of blocked-gap group was significantly higher than that of solid group and slatted group (P<0.05). There was no significant difference in floor relative humidity among all groups (P>0.05). 2) The feed to gain ratio of blocked-gap group and slatted group was significantly lower than that of solid group (P<0.05), and the average daily drinking water of blocked-gap group and slatted group was significantly lower than that of solid group (P<0.05), the average daily gain of blocked-gap group and slatted group was significantly higher than that of solid group (P<0.05). 3) The apparent digestibilities of neutral detergent fiber and phosphorus of blocked-gap group were significantly higher than those of slatted group and solid group (P<0.05), and the slatted group was significantly higher than that of solid group (P<0.05). The apparent digestibilities of dry matter and crude protein of blocked-gap group were significantly higher than those of solid group (P<0.05), the organic matter apparent digestibility of slatted group was significantly lower than that of blocked-gap group and solid group (P<0.05), and the calcium apparent digestibility of blocked-gap group and slatted group was significantly higher than that of solid group (P<0.05). 4) The serum growth hormone content of blocked-gap group was significantly higher than that of solid group (P<0.05), the contents of triiodothyronine and thyroxine in serum of blocked-gap group were significantly lower than those of slatted group (P<0.05), and the serum urea nitrogen content of blocked-gap group and slatted group was significantly higher than that of solid group (P<0.05). In conclusion, the cement slatted floor blocked by cotton curtains can improve the floor temperature, alleviate cold stress of fattening sheep, improve the growth performance of fattening sheep and nutrient apparent digestibilities.

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