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首页> 外文期刊>Animal Science Journal >Feeding forage mixtures of alfalfa hay and maize stover optimizes growth performance and carcass characteristics of lambs
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Feeding forage mixtures of alfalfa hay and maize stover optimizes growth performance and carcass characteristics of lambs

机译：饲喂苜蓿干草和玉米秸秆的饲料混合物优化了羊羔的生长性能和胴体特性

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摘要

A feeding experiment was carried out to determine the effects of different proportions of alfalfa hay and maize stover on the growth performance and carcass characteristics of fattening lambs. Forty-two healthy 3.5-month-old male Small-tail Han lambs of 23.89 +/- 0.38 kg body mass were assigned to seven groups, which were fed mixed diets composed of maize stover and alfalfa hay containing 0%, 30%, 40%, 50%, 60%, 70% or 100% maize stover on a dry matter (DM) basis. Each lamb received 1.5 kg DM of forage mixture three times daily and supplementary concentrate (0.5 kg corn per lamb per day) for 60 days. Compared with the control forage diet of maize stover only, forage intake rate and forage conversion rate on the 40% maize stover/60% alfalfa hay mixture were 30% and 5% higher, respectively. Body weight, dressing percentage and net income were 6.7 kg, 8% and 94.37 Yuan higher per lamb, respectively. Thus, feeding lambs with a forage mixture of maize stover and alfalfa hay in a ratio of 40:60 optimized the production performance, slaughter performance, and the income derived from lambs.
机译：进行了饲养实验，以确定不同比例的苜蓿干草和玉米秸秆对肥胖羊羔生长性能和胴体特性的影响。 23.89 +/- 0.38公斤体重的四十二健康3.5个月大的雄性小尾巴羊羔被分配到七组，其喂食含有0％，30％，40的玉米秸秆和苜蓿干草组成的混合饮食干物质（DM）基础上的％，50％，60％，70％或100％玉米秸秆。每只羊肉每天收到1.5kg DM的牧草混合物，每日三次，补充浓缩物（每天每羊肉0.5kg玉米）60天。仅与玉米秸秆的对照饲料饮食相比，40％玉米秸秆/ 60％苜蓿干混合物的牧草进气率和饲料转化率分别为30％和5％。每只羊肉的体重，敷料百分比和净收入分别为6.7千克，8％和94.37元。因此，用玉米秸秆和苜蓿干草的饲喂羊羔的比例为40:60优化了生产性能，屠宰性能以及羊羔的收入。

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  • 来源
    《Animal Science Journal》 |2018年第2期|共8页
  • 作者

    Sun Lin; Yin Qiang; Gentu Ge; Xue Yanlin; Hou Meiling; Liu Liying; Jia Yushan;

  • 作者单位

    Inner Mongolia Agr Univ Coll Grassland Resources &

    Environm Erdos East St Hohhot 010020 Peoples R China;

    Chinese Acad Agr Sci Inst Grassland Res Hohhot Peoples R China;

    Inner Mongolia Agr Univ Coll Grassland Resources &

    Environm Erdos East St Hohhot 010020 Peoples R China;

    Inner Mongolia Acad Agr Sci &

    Anim Husb Hohhot Peoples R China;

    Inner Mongolia Agr Univ Coll Grassland Resources &

    Environm Erdos East St Hohhot 010020 Peoples R China;

    Inner Mongolia Agr Univ Coll Grassland Resources &

    Environm Erdos East St Hohhot 010020 Peoples R China;

    Inner Mongolia Agr Univ Coll Grassland Resources &

    Environm Erdos East St Hohhot 010020 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 畜牧、动物医学、狩猎、蚕、蜂;
  • 关键词

    carcass characteristics; fattening lamb; forage mixture; growth performance;

    机译：胴体特性;肥皂;饲料混合物;生长性能;

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