不同剂量氮唑对雄性肉仔鸡日粮经济可行性和生理性能的影响

Y. S. Najim, T. Mohammed, F. Hussain, Prof. Dr. Thafer M. Mohammed
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引用次数: 3

摘要

试验于2018年5月22日至13日在农业部农业研究司家禽研究站进行,为期21 d,选用180只Ross308雄性肉鸡,在T2、T3、T4和T5饲粮中分别添加5、10、20和30%水平的杜鹃花,并与不添加杜鹃花的对照处理T1进行比较。为研究使用不同水平的杜鹃花对肉鸡生产性能和生理性能的影响及经济可行性,每个处理分为3个重复(每个重复12只)。与对照处理相比,各处理的经济可行性特征(初、末料成本、产出肉公斤成本和每100 kg/饲料成本)均显著降低(P≤0.05)。与对照处理和其他试验处理相比,30%杜鹃花处理对饲料成本百分比的降低最为显著(P≤0.05)。综上所述,饲粮中添加5%的饲料可以显著提高肉仔鸡的生产性能,达到最佳的经济可行性。
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THE IMPACT OF VARYING AZOLLA DOSAGES ON MALE BROILERS DIETS IN TERMS OF ECONOMIC FEASIBILITY AND PHYSIOLOGIC PERFORMANCE
This study was conducted at the Poultry Research Station of the Department of Agricultural Researches / Ministry of Agriculture for the period from 22 to 13 May 2018 which lasted 21 days, using 180 Ross308 male broilers fed on added diets, Azolla was used at levels 5, 10, 20 and 30% for T2, T3, T4, and T5, respectively, and were compared with the control treatment T1 which is free of Azolla. Each treatment included three replicates (12 birds for each replicate) in order to study the effect of using different levels of Azolla in the production and physiological performance and economic feasibility of male meat broilers. A significant decrease (P≤0.05) in economic feasibility characteristics (cost of initial feed and final feed, and the cost of kilogram of the produced meat and low-cost rate per 100 kg/feed) for all Azolla treatments compared to the control treatment. The treatment of 30% Azolla had the most significant decrease (P≤0.05) in the percentage of feed cost compared to the control treatment and other experimental treatments. We conclude from this study that it is possible to add Azolla to the diet by 5% feed to obtain a positive improvement in the productive performance of broilers and achieve the best economic feasibility.
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