CN110623162A - 降低肉鸡腹脂率的日粮 - Google Patents

降低肉鸡腹脂率的日粮 Download PDF

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CN110623162A
CN110623162A CN201910985023.5A CN201910985023A CN110623162A CN 110623162 A CN110623162 A CN 110623162A CN 201910985023 A CN201910985023 A CN 201910985023A CN 110623162 A CN110623162 A CN 110623162A
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abdominal fat
daily ration
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杨立彬
尹超
沈承琪
刘伟国
赵晓毅
张俊玲
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Bioengineering Co Ltd Of Jun De Tontru Of Guan County
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Abstract

本发明公开了一种降低肉鸡腹脂率的日粮，包括基础日粮和添加剂，所述添加剂为胍基乙酸,所述胍基乙酸占基础日粮中全部组份的重量比为600～900mg/kg。本发明能有效降低肉鸡的腹脂率，使肉鸡的出肉率高，肉质鲜美，口感好，适用于所有用于降低肉鸡腹脂率的日粮。

Description

降低肉鸡腹脂率的日粮
技术领域
本发明属于动物营养与饲料技术领域，涉及一种肉鸡日粮，具体地说是一种降低肉鸡腹脂率的日粮。
背景技术
现代肉鸡的选育倾向于更快的生长速度和更高饲料的转化效率，与此同时也给肉鸡的生产带来一些负面效果，最为典型的就是体脂率的增加，肉鸡的体脂分为三种：腹部脂肪，皮下脂肪和肌内脂肪，其中腹部脂肪的占比直接影响肉鸡的体脂率，过量腹部脂肪的累积不仅会造成肉鸡产业利润的下降，还会影响肉鸡的口感，使其不受消费者的欢迎。
发明内容
本发明所要解决的技术问题，是要提供一种降低肉鸡腹脂率的日粮，以达到降低肉鸡腹脂率的目的。
本发明为实现上述目的，所采用的技术方案如下：一种降低肉鸡腹脂率的日粮，包括基础日粮和添加剂，所述添加剂为胍基乙酸。
作为对本发明的限定：所述胍基乙酸占基础日粮中全部组份的重量比为600～900mg/kg。
作为对本发明的进一步限定：所述胍基乙酸占基础日粮中全部组份的重量比为800mg/kg。
作为对本发明的再进一步限定：所述基础日粮包括以下组份：玉米、豆粕、棉籽粕、玉米蛋白粉、鸭油、石粉、磷酸氢钙、盐、赖氨酸硫酸盐、蛋氨酸、苏氨酸、氯化胆碱、预混料。
作为对本发明的更进一步限定：所述基础日粮中各组份的重量百分比为：玉米63～65％、豆粕 21～23％、棉籽粕3～5％、玉米蛋白粉 1.5～2.5％、鸭油3.1～4.3％、石粉1.0～2.0％、磷酸氢钙0.5～1.0％、盐 0.2～0.3％、氯化胆碱 0.1～0.2％、赖氨酸硫酸盐0.50～0.60％、蛋氨酸0.20～0.30％、苏氨酸0.14～0.20％、预混料050％，上述基础日粮中各组份的重量百分比之和为100％。
作为对本发明的一种限定：所述鸡的基础日粮中各组份的重量百分比为：玉米64.27％、豆粕 22.3％、棉籽粕4.0％、玉米蛋白粉2.0％、鸭油 3.74％、石粉1.11％、磷酸氢钙 0.68％、盐 0.25％、氯化胆碱 0.20％、赖氨酸硫酸盐0.56％、蛋氨酸0.24％、苏氨酸0.15％、预混料 0.50％。
由于采用了上述技术方案，本发明与现有技术相比，所取得的有益效果在于：
胍基乙酸是动物体内合成肌酸的唯一前体物，日粮中补充胍基乙酸可提高肉鸡体内的肌酸含量，肌酸可增加肌肉细胞的水合作用，水合作用的增加可诱导肌肉蛋白质的合成，降低蛋白质分解，同时，日粮中补充胍基乙酸可节约机体内源合成胍基乙酸所需的精氨酸，精氨酸可通过抑制动物肝脏中脂肪酸合成酶（FAS）mRNA的表达和提高肉毒碱棕榈酰转移酶I（CPT1）与L-3羟酰基-CoA脱氢酶（3-HADH）mRNA的表达来降低腹部脂肪的积累，进而达到降低腹脂的目的；本发明能有效降低肉鸡腹脂率，使肉鸡的出肉率高，肉质鲜美，口感好，适用于所有用于降低肉鸡腹脂率的日粮。
具体实施方式
本发明下面将结合实施例作进一步详细说明：在鸡的基础日粮中添加胍基乙酸能降低肉鸡的腹脂率。
实施例1 降低肉鸡腹脂率的日粮
本实施例为一种降低肉鸡腹脂率的日粮，包括基础日粮和添加剂，所述基础日粮选取100kg，100kg基础日粮中包括玉米64.27kg、豆粕 22.3kg、棉籽粕4.0kg、玉米蛋白粉kg、鸭油3.74kg、石粉1.11kg、磷酸氢钙 0.68kg、盐 0.25kg、氯化胆碱 0.20kg、赖氨酸硫酸盐0.56kg、蛋氨酸0.24kg、苏氨酸0.15kg、预混料 0.50kg，所述添加剂为胍基乙酸，100kg基础日粮中添加胍基乙酸0.80kg，上述各组份配比形成基础日粮Ⅰ。
实施例2-6 降低肉鸡腹脂率的日粮
实施例2-6分别为降低肉鸡腹脂率的日粮，其中基础日粮中所含的各组份均相同，不同之处在于基础日粮中各组份的含量，具体见表1：
表1 基础日粮中各组份的含量
实施例7 验证基础日粮中添加胍基乙酸对降低肉鸡腹脂率的效果
实施例7为验证实施例1-6中各基础日粮中添加胍基乙酸对降低肉鸡腹脂率的效果，即通过控制喂养肉鸡的条件，使肉鸡食用上述基础日粮，一段时间后验证肉鸡腹脂率的变化，通过设置不同的试验组，来证明肉鸡腹脂率的降低是因为添加了胍基乙酸，而非其他原因，实验过程按以下顺序进行：
一、 试验动物的选取与饲养
试验在山东邹城养鸡场进行，选用21日龄白羽肉鸡仔360只，全部为公雏，随机分为两组，一组为对照组，饲喂不添加胍基乙酸的基础日粮，一组为试验组，饲喂添加胍基乙酸的基础日粮；其中对照组又分为六组，每组30只；试验组也分为六组，每组30只，试验组的六组分别饲喂实施例1-6所提供的Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ的基础日粮；
试验从21日龄开始至42日龄结束，各组鸡采用笼养方式，鸡群全程自由采食和饮水，舍内温度、湿度和光照控制均相同，且符合白羽肉鸡对环境的要求。42日龄早上，十二个组中随机抽取12只空腹鸡称重后进行屠宰，无菌条件下取胸大肌、胸小肌、腿肌、腹脂（包括腹部脂肪及肌胃外脂肪）。
二、分析方法
全净膛率=（全净膛/活重）×100%
胸大肌率=（胸大肌重/全净膛重）×100%
胸小肌率=（胸小肌重/全净膛重）×100%
腹脂率=（腹脂重/全净膛重）×100%。
取试验组中饲喂实施例1-6所提供的Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ的基础日粮的各组空腹鸡与对照组的六组空腹鸡分别进行比较，并统计数据。
三、数据统计方法
试验数据用Excel软件进行初步处理后，采用SAS 8.2 的GLM模型统计分析（SAS，2001），组间差异利用Duncan氏进行多重比较，P＜0.05作为差异显著并标注。
四、统计实验结果
试验结果见表2：
表2 基础日粮中添加胍基乙酸对肉鸡屠宰性能的影响
注：表2中的数值，以平均数±标准差表示，同行数据肩标不同字母表示差异显著（P＜0.05）。
综上所述，由表2可以看出，基础日粮添加胍基乙酸能够极显著提高肉鸡全净膛率（P＜0.01），显著降低腹脂率（P＜0.05）；试验结果表明：基础日粮中添加600～900 mg/kg胍基乙酸可降低肉鸡腹脂率。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (7)

1.一种降低肉鸡腹脂率的日粮，包括基础日粮和添加剂，其特征在于：所述添加剂为胍基乙酸。
2.根据权利要求1所述的降低肉鸡腹脂率的日粮，其特征在于：所述胍基乙酸占基础日粮中全部组份的重量比为600～900mg/kg。
3.根据权利要求2所述的降低肉鸡腹脂率的日粮，其特征在于：所述胍基乙酸占基础日粮中全部组份的重量比为800mg/kg。
4.根据权利要求1-3中任意一项所述的降低肉鸡腹脂率的日粮，其特征在于：所述基础日粮包括以下组份：玉米、豆粕、棉籽粕、玉米蛋白粉、鸭油、石粉、磷酸氢钙、盐、赖氨酸硫酸盐、蛋氨酸、苏氨酸、氯化胆碱、预混料。
5. 根据权利要求4所述的降低肉鸡腹脂率的日粮，其特征在于：所述基础日粮中各组份的重量百分比为：玉米63～65％、豆粕 21～23％、棉籽粕3～5％、玉米蛋白粉 1.5～2.5％、鸭油3.1～4.3％、石粉1.0～2.0％、磷酸氢钙0.5～1.0％、盐 0.2～0.3％、氯化胆碱0.1～0.2％、赖氨酸硫酸盐0.50～0.60％、蛋氨酸0.20～0.30％、苏氨酸0.14～0.20％、预混料0.50％，上述基础日粮中各组份的重量百分比之和为100％。
6. 根据权利要求4所述的降低肉鸡腹脂率的日粮，其特征在于：所述鸡的基础日粮中各组份的重量百分比为：玉米64.27％、豆粕 22.3％、棉籽粕4.0％、玉米蛋白粉2.0％、鸭油3.74％、石粉1.11％、磷酸氢钙 0.68％、盐 0.25％、氯化胆碱 0.20％、赖氨酸硫酸盐0.56％、蛋氨酸0.24％、苏氨酸0.15％、预混料0.50％。
7. 根据权利要求5所述的降低肉鸡腹脂率的日粮，其特征在于：所述鸡的基础日粮中各组份的重量百分比为：玉米64.27％、豆粕 22.3％、棉籽粕4.0％、玉米蛋白粉2.0％、鸭油3.74％、石粉1.11％、磷酸氢钙 0.68％、盐 0.25％、氯化胆碱 0.20％、赖氨酸硫酸盐0.56％、蛋氨酸0.24％、苏氨酸0.15％、预混料0.50％。
CN201910985023.5A 2019-10-16 2019-10-16 降低肉鸡腹脂率的日粮 Pending CN110623162A (zh)

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CN105076719A (zh) * 2015-08-04 2015-11-25 北京君德同创农牧科技股份有限公司 一种肉鸡用预混料及其制备和使用方法

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CN105076719A (zh) * 2015-08-04 2015-11-25 北京君德同创农牧科技股份有限公司 一种肉鸡用预混料及其制备和使用方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111990546A (zh) * 2020-08-17 2020-11-27 固安君德同创生物工程有限公司 胍基乙酸及其增效剂的组合物、制备方法和应用

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Application publication date: 20191231