EFFECTS OF CONCENTRATED FEEDS ON GROWTH PERFORMANCE, BLOOD PROFILES AND CARCASS CHARACTERISTICS OF DEZHOU DONKEYS

August 1985 Pub Date : 2020-04-25 DOI:10.36899/japs.2020.4.0095

G. Liu, G. Bou, X. Wang, J. Xing, H. Qu, Y. Zhao, X. Zhang, S. Su, J. Dong, A. Khan, M. Dugarjaviin

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Abstract

The nutritional requirements of donkeys have not been studied well, therefore, donkeys are being fed according to the horse nutritional plans in China. Keeping in mind the importance of the topic, the best concentrate feed was searched among three different levels i.e., 1, 1.25 and 1.5% based on growth performance, blood profiles and carcass characteristics. In this study, 30 male Dezhou donkeys (weight: 147.36±6.32 kg; age ： 210±10 days) were randomly divided into 3 groups according to daily concentrate intake: 1.00% (Group 1.00), 1.25% (Group 1.25) and 1.50% (Group 1.50) of live weight. Roughage in the form of beanstalk was the only forage for all groups. On the basis of their growth performance, blood parameters, carcass characteristics and visceral indexes, we found that Group 1.50 and 1.25 showed higher average body gain, body sides and carcass percentage ( P≤0.05 ) than Group 1.00, the visceral indices and blood parameters showed no difference among 3 groups ( P>0.05 ). Based on all the fundamental measurements, we could draw a conclusion that concentrates at 1.25% of live weight level is the most efficient quantity to feed Dezhou donkeys.

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浓缩饲料对德州驴生长性能、血液特征和胴体特性的影响

驴的营养需求还没有得到很好的研究，因此，在中国，驴是按照马的营养计划喂养的。考虑到本课题的重要性，根据生长性能、血液特征和胴体特性，在饲料添加水平为1、1.25和1.5%的条件下优选出最佳精料。本试验选用30头公德州驴(体重:147.36±6.32 kg;年龄:210±10日龄)，按精料日采食量分为活重1.00%(1.00组)、1.25%(1.25组)和1.50%(1.50组)3组。豆茎粗饲料是各组的唯一饲料。根据生长性能、血液参数、胴体特性和内脏指标，1.50和1.25组的平均增重、体侧和胴体率均高于1.00组(P≤0.05)，3组间内脏指标和血液指标无显著差异(P>0.05)。综合各项基本指标，得出以活重水平1.25%的精料饲喂德州毛驴最有效的结论。

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August 1985

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