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Utilization of Processed Pine Needle Powder in Broiler Chicken Diets

机译:在肉鸡鸡食中的加工松针粉的利用

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摘要

This study examined the effects of dietary processed pine needle tree powder (PPNP) on growth performance, visceral organ parameters, ileal digestibility, blood metabolites and ileal morphology of broiler chickens for 5-week after hatch. In total, 2201-day-old male Ross 308 broiler chicks were randomly allocated to 30 pens (seven birds per pen), and each pen was assigned to one of five dietary treatments, a diet without PPNP (control) and diets with 0.5%, 1.0%, 1.5% and 2.0% PPNP. The body weight and feed intake were measured weekly. One bird from each pen was selected randomly and gently euthanized to collect the blood, visceral organs and digesta samples on 2, 3 and 5 week of age. Birds fed 2.0% PPNP showed decreased (PO.05) overall body weight,average daily gain and average daily feed intake compared to those fed control, 0.5 and 1.0% PPNP. The small intestine length increased (PO.05) as the level of PPNP in the diet increased. A deeper crypt depth was observed (.PO.05) when birds fed 2.0% PPNP compared to those fed the control diet at week 2. A higher V:C ratio was observed (PO.05) in birds fed 1.0% PPNP than in those fed other treatments at week 3. Ileal protein digestibility improved (PO.05) when birds fed 0.5% and 1.0% PPNP compared to that in those fed the control diet at week 3. The feed conversion ratio, ileal dry matter digestibility and blood urea nitrogen and cholesterol, and gizzard and ceca weights were not affected (P>0.05) by supplementation of any levels of PPNP. These resultsdemonstrated that inclusion of PPNP in broiler diets could be a possible factor in improving overall growth performance suggesting early gut development when 1% PPNP is supplemented.
机译:该研究检测了孵化器鸡的膳食加工杉木针树粉(PPNP)对生长性能,内脏器官参数,ILEAL消化率,血液代谢物和肠形态的影响。总共2201岁的男性罗斯308肉鸡小鸡随机分配给30张(每支笔的七只鸟),每支笔被分配到五种饮食治疗中的一种,没有PPNP(对照)和0.5%的饮食饮食,1.0%,1.5%和2.0%PPNP。每周测量体重和进料摄入量。每笔笔从每支笔中随机选择一只鸟,并轻轻地安乐死,以收集2,3和5周的血液,内脏器官和Digesta样品。喂养2.0%PPNP的鸟类表现出降低(PO.05)总体体重,平均每日增益和平均每日进料摄入量与喂养对照,0.5和1.0%PPNP相比。小肠长度增加(PO.05),因为饮食中PPNP的水平增加。观察到更深的隐窝深度(.po.05)当喂养2.0%PPNP的鸟类与第2周喂食控制饮食相比2.观察到较高的V:C比率(PO.05)比在1.0%PPNP的鸟类中当第3周内喂养其他治疗的那些。肠蛋白质消化率改善(PO.05)当喂食0.5%和1.0%PPNP的鸟类在第3周喂养对照饮食中的那些。进料转化率,髂骨干物质消化率和血液通过补充任何水平的PPNP,尿素氮和胆固醇和G型和CECA重量没有受到影响(p> 0.05)。这些结果犯规,其中包含PPNP在肉鸡饮食中可能是提高整体增长性能的可能因素,表明当补充1%PPNP时,提高了早期的肠道发育。

著录项

  • 来源
    《Korean Journal of Poultry Science》 |2018年第3期|共8页
  • 作者单位

    Student Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

    Researcher Division of Environmental Forest Science I Institute of Agriculture and life Science Gyeongsang National University Jinju 52828 Republic of Korea;

    Student Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

    Student Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

    Student Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

    Student Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

    Student Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

    Professor Department of Animal Science and Biotechnology Chungnam National University Daejeon 34134 Republic of Korea;

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

    broiler; processed pine needle powder; growth performance; ileal digestibility;

    机译:肉鸡;加工松针粉;生长性能;ILEAL消化率;

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