米糠替代玉米对蛋鸡蛋品质的影响
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摘要
为研究米糠替代日粮中玉米对蛋鸡蛋品质的影响,试验选用150只海兰褐蛋鸡(24周龄),随机分为5组,每组3个重复,每个重复10只。分别饲喂用0%、5%、10%、15%、20%米糠替代基础日粮中玉米的日粮,预饲期7 d,正式试验期28 d。试验结束进行蛋品质测定。结果表明:试验组Ⅳ的蛋形指数比对照组低3.01%(P <0.05);试验组Ⅳ的蛋比重比对照组高3.36%(P <0.05),比试验组Ⅰ高0.84%(P <0.05);试验组Ⅳ的蛋重比对照组高2.18%(P <0.05),比试验组Ⅰ高1.20%(P <0.05);试验组Ⅳ的哈夫单位比对照组、试验组Ⅰ、试验组Ⅱ、试验组Ⅲ分别高4.26%、3.31%、2.47%、1.24%(P <0.05)。表明米糠替代玉米能够改善蛋鸡的蛋品质,且替代20%的玉米效果最佳。
The experiment was conducted to study the effects of rice bran instead of part of the maize grains in basal diets on egg quality of laying hens. A total of 150 Hyline Brown laying hens at 24 weeks old were randomly divided into 5 groups with 3 replications of 10 each. The testing groups were fed with basal diets with rice bran replacement respectively 0%,5%,10%,15%,20% of the maize grains. The pretest period was 7 days and experimental period was 28 days. The results showed that the egg shape index of test group Ⅳ was3.01% lower than that of control group(P < 0.05). The proportion of eggs in test group Ⅳ was 3.36% larger than that of control group(P < 0.05) and 0.84% larger than that of test group I(P < 0.05). The egg weight of test group Ⅳ was 2.18% larger than that of control group(P < 0.05) and 1.20% larger than that of test groupⅠ(P < 0.05). The haugh unit of test group Ⅳ was 4.26% higher than control group(P < 0.05),3.31% higher than test group Ⅰ(P < 0.05),2.47% higher than test group Ⅱ(P < 0.05),and 1.24% higher than test group Ⅲ(P < 0.05). The replacement of maize grains with rice bran could improve egg quality of laying hens,and the effect was the best when replacing 20% maize grains.
The experiment was conducted to study the effects of rice bran instead of part of the maize grains in basal diets on egg quality of laying hens. A total of 150 Hyline Brown laying hens at 24 weeks old were randomly divided into 5 groups with 3 replications of 10 each. The testing groups were fed with basal diets with rice bran replacement respectively 0%,5%,10%,15%,20% of the maize grains. The pretest period was 7 days and experimental period was 28 days. The results showed that the egg shape index of test group Ⅳ was3.01% lower than that of control group(P < 0.05). The proportion of eggs in test group Ⅳ was 3.36% larger than that of control group(P < 0.05) and 0.84% larger than that of test group I(P < 0.05). The egg weight of test group Ⅳ was 2.18% larger than that of control group(P < 0.05) and 1.20% larger than that of test groupⅠ(P < 0.05). The haugh unit of test group Ⅳ was 4.26% higher than control group(P < 0.05),3.31% higher than test group Ⅰ(P < 0.05),2.47% higher than test group Ⅱ(P < 0.05),and 1.24% higher than test group Ⅲ(P < 0.05). The replacement of maize grains with rice bran could improve egg quality of laying hens,and the effect was the best when replacing 20% maize grains.
引文
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[3]贾春波.蛋壳质量下降的原因及改善措施[J].现代畜牧科技,2016(6):16.
[4]李俊营,詹凯,吴俊锋,等.β-胡萝卜素对蛋鸡生产性能的影响[J].中国畜牧杂志,2012,48(11):49~51.
[5]刘靖,张石蕊.米糠的营养价值及其开发利用[J].湖南饲料,2010,3:12~14,17.
[6]刘丽馥.影响蛋鸡产蛋率的营养因素及调控措施[J].农业与技术,2015,35(16):188.
[7]卢健,王克华,曲亮,等.玉米干酒糟及其可溶性对蛋鸡产蛋性能、蛋品质、血清脂质以及经济效益的影响[J].动物营养学报,2013,25(8):1872~1877.
[8]孙桂荣,康相涛,李国喜,等.不同饲养方式对固始鸡生产性能的影响[J].华北农学报,2006,21(4):118~122.
[9]唐瑶,陈洋,李普庆.米糠活性成分及饲养效果研究[J].饲料广角,2015,3:41~44.
[10]张变英,王芳,张红岗,等.小麦代替玉米对肉仔鸡生产性能、免疫器官、血液指标和全肠食糜黏度的影响[J].中国畜牧兽医,2011,38(3):28~31.
[11]赵艳秀.枣粉在蛋鸡日粮中的应用研究[D].保定:河北农业大学,2012.