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Effect of Pelleted Total Mixed Ration with Different Concentrate-roughage Ratios on Production Performance and Serum Biochemical Parameters of Fattening Hainan Black Goats

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【作者】 Liu QuanweiWang FengWei LiminTan ShuyiSun RuipingHuang LiliXing ManpingZheng Xinli

【Author】 Liu Quanwei;Wang Feng;Wei Limin;Tan Shuyi;Sun Ruiping;Huang Lili;Xing Manping;Zheng Xinli;Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural Sciences;Hainan Key Lab of Tropical Animal Reproduction,Breeding and Epidemic Disease Research;

【通讯作者】 Zheng Xinli;

【机构】 Institute of Animal Science and Veterinary Medicine, Hainan Academy of Agricultural SciencesHainan Key Lab of Tropical Animal Reproduction,Breeding and Epidemic Disease Research

【摘要】 [Objective] This paper was to study effects of pelleted total mixed ration with different concentrate-roughage ratios on production performance and serum biochemical parameters of fattening Hainan black goats. [Method] Thirty-six fattening Hainan black goats with the same genetic background and similar initial weight of(14.08±0.13) kg were randomly assigned into three treatments. Goats were fed with Juncao + concentrate(control group), pelleted total mixed ration I(concentrate: roughage 50 ∶50, group Ⅰ) and Ⅱ(concentrate: roughage 45∶55, group Ⅱ), respectively. The test lasted 45 d. [Result] The final weight, daily gain and feed intake of rams in experimental group Ⅰ were significantly higher than those of control group and experimental group Ⅱ(P<0.05); the final weight and daily gain of rams in experimental group Ⅰ were also markedly higher than those of experimental group Ⅱ(P<0.05); the feed/gain of rams in experimental group Ⅰ was significantly lower than those in control group and experimental group Ⅱ(P<0.05). The feed gain cost of rams in experimental group Ⅰ was markedly lower than that in experimental group Ⅱ( P<0.05), but was significantly higher than that in experimental group Ⅰ(P<0.05); the gross profit of rams in experimental group Ⅰ was significantly higher than those in control group and experimental group Ⅱ(P<0.05). Compared with control group and experimental group Ⅱ, the serum total protein and glucose lev-els in experimental group Ⅱ increased significantly(P<0.05), but the urea nitrogen content reduced(P>0.05). [Conclusion] When the concentrateroughage ratio of pelleted total mixed ration was 50∶50, the fattening effect of Hainan black goat was better, and the serum total protein and glucose levels were evidently improved.

【基金】 Supported by Major Science and Technology Program of Hainan Province(ZDKJ2016017-01,ZDKJ2016017-03);Youth Science and Technology Talents Innovation Project of Hainan Science&Technology Association(QCXM201802)
【所属期刊栏目】 Feed and Nutrition (2019年01期)
  • 【DOI】10.19578/j.cnki.ahfs.2019.01.002
  • 【分类号】S827.5
  • 【下载频次】5
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