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首页> 外文期刊>Canadian Journal of Animal Science >Using different levels of glycerine, glucose, or sucrose in broiler starter diets to overcome negative effects of delayed feed access on growth performance
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Using different levels of glycerine, glucose, or sucrose in broiler starter diets to overcome negative effects of delayed feed access on growth performance

机译：使用不同含量的甘油，葡萄糖或蔗糖，在肉鸡开始饮食中克服延迟进料获得对生长性能的负面影响

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Two trials were conducted to evaluate the inclusion of glycerine, glucose, or sucrose in broiler starter diets to overcome negative effects of delayed feed access. In trial 1, 2160 newly hatched chicks (mixed sexed) were randomly assigned to two feeding programs (immediate vs. 36 h delayed feed access). Nine starter diets prepared with crude glycerine, glucose, or sucrose fed at 0%, 4%, or 8% levels were fed during the first 14 d post hatch (PH). In trial 2, 720 male and 720 female newly hatched chicks were randomly assigned to two feeding programs (immediate vs. 48 h delayed feed access). Starter diets fed during the first 14 d of feed access, consisted of a control, 8% glycerine, or 8% glucose. In both trials, a common grower and finisher diet were fed during days 14 - 24 and 25 - 35, respectively. Body weight and feed consumed were measured on 7, 14, 24, and 35 d. In trial 1, all 8% dietfed birds were heavier compared with the control on day 35 PH (2259 vs. 2198 g, P & 0.01). Birds fed glycerine starter diets had improved feed conversion ratio (FCR) during 22 - 35 d (P & 0.01). In trial 2, glycerine diet resulted in heavier birds after 35 d of feed access, compared with birds fed control and glucose diets immediately after hatch (2373 vs. 2276 g, P & 0.01). Dietary inclusion of 8% glycerine can assist newly hatched broiler chicks to overcome delayed feed access induced growth suppression.
机译：进行了两项试验以评估甘油，葡萄糖或蔗糖在肉鸡饮食中的含量，以克服延迟进料进入的负面影响。在审判1,2160中，新孵化的小鸡（混合性别）被随机分配到两个饲养计划（即时与36小时延迟进料访问）。在前14d孵出术后（pH）期间，用粗甘油，葡萄糖胺，葡萄糖，蔗糖喂食含有粗甘油，葡萄糖或8％水平的九个起始饮食。在试验中，720名男性和720名女性新孵化的小鸡被随机分配给两个饲养计划（即时与48小时延迟进料访问）。在进料入口的前14d中喂养的起始饮食，由对照，8％甘油或8％葡萄糖组成。在两项试验中，分别在第14-24和25-35天喂养了普通的种植者和整理剂饮食。消耗的体重和饲料在7,14,24和35 d上测量。在试验1中，所有8％的饮食禽类较重与第35天pH（2259 vs.2198g，P＆amp; 0.01）相比较重。喂养甘油起始饮食的鸟类在22-35d（P＆amp; 0.01）期间具有改善的饲料转化率（FCR）。在试验2中，甘油饮食在35 d进料进入后导致较重的鸟类，与孵化后立即喂养的鸟类喂养控制和葡萄糖饮食相比（2373 vs.276g，p＆amp; 0.01）。 8％甘油的日粮包容物可以帮助新孵化的肉鸡雏鸡克服延迟进料接入诱导的生长抑制。

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