家禽产仔中添加明矾(硫酸铝)对产仔性能、产仔pH和产仔组成的影响

Hassan Ra
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引用次数: 0

摘要

本试验旨在研究加明矾和不加明矾对蛋鸡生产性能和产仔质量的影响。试验选用24周龄的英沙士蛋鸡120只,随机分为4组(每10只鸡3个重复):1组用刨花木垫料饲养,2组用麦秸垫料饲养,3组用刨花木垫料饲喂,每kg垫料饲喂100 g明胶,4组用麦秸垫料饲喂,每kg垫料饲喂100 g明胶。与未处理窝产鸡组相比,添加酸化剂改善了新窝产鸡的体重、蛋重、蛋数、蛋质量、采食量和饲料系数。与对照组相比,明矾处理降低了凋落物的pH值。在NH4+-N含量方面,铝处理凋落物高于未处理凋落物。平均而言,铝处理凋落物P含量低于未处理凋落物。明矾处理组干物质和总氮含量显著高于未处理组。研究结果表明,对照和处理凋落物的水分含量和pH值存在显著差异(p < 0.05)。这清楚地显示了垃圾处理产品提高垃圾质量的有效性,从而改善了鸟类的环境气候。由此可见,明矾处理对产蛋鸡产蛋率有显著影响,但对产蛋鸡生产性能无不良影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Alum (Aluminum Sulfate) Addition to Poultry Litter on Layer Performance, Litter pH and Litter Composition
The current experiment was conducted to assess the effect of using different litter types with or without alum on performance and litter quality of the hen layers. A total number of 120 Inshas layer hens of 24 weeks of age were randomly distributed into 4 groups (3 replicates each 10 hens) of floor litter: T1 birds were raised on wood shaving litter, T2 birds were raised on wheat straw litter, T3 birds were raised wood shaving with 100 g of alum / kg of bedding, and T4 birds were raised on wheat straw litter with 100 g of alum / kg of bedding. Topping of fresh litter with acidifier amendment improved body weight, egg weight, egg number, egg mass, feed intake and feed conversion ratio of layers compared to chickens in the untreated litter group. In comparison with the control group, alum treatment reduced the pH level of the litter. Regarding the NH4+-N content, alum-treated litter showed a higher value than the untreated litter. On average, alum-treated litter had lower P content than the untreated litter. Alum treated group showed a significant increase in dry matter and total nitrogen content when compared with the untreated group. The study results showed significant variability (p < .05) in the moisture content and pH of the control and treated litter. This clearly shows the effectiveness of litter treatment products enhancing litter quality and therefore the bird’s environmental climate. Thus it can be decided that litter modification with alum treatment had a significant impact on litter quality and in turn enhanced the productive performance of layer chickens without any adverse effect.
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