4种蛋白质饲料对幼龄獭兔饲用价值的比较研究

doi:10.3969/j.issn.1000-7091.2012.01.042

摘要/Abstract

摘要： 为了评定豆粕、玉米蛋白粉、棉粕、菜粕等4种蛋白质饲料在獭兔幼龄阶段的营养价值,试验以3月龄獭兔为研究对象,通过化学测定、消化试验与饲养试验,比较分析了4种蛋白质饲料的化学组成及其营养价值。结果显示:粗蛋白表观可吸收量以棉粕最高,为383.22 g/kg,分别比豆粕、玉米蛋白粉、菜粕多3.4,137.9,20.85 g/kg;必需氨基酸化学值指数(EAAI) 与可吸收量指数均以菜粕最高,分别为1.18,0.047 5;干物质表观消化能以豆粕最高,为9.99 MJ/kg,分别比玉米蛋白粉、棉粕、菜粕高2.94,3.20,2.68 MJ/kg;豆粕的钙消化吸收最佳,消化率与表观吸收量分别为79.32%,18.59 g/kg,极显著高于棉粕,显著高于菜粕;玉米蛋白粉的磷消化吸收最佳,消化率与表观吸收量分别为63.82%,6.14 g/kg,极显著高于棉粕,显著高于菜粕;4个处理的日均增重、日均采食量、料重比均无显著差异,以棉粕组日均增重最大,为26.64 g。棉粕可用作3月龄獭兔的蛋白质饲料。

关键词: 獭兔, 蛋白质饲料, 氨基酸, 化学分析, 消化吸收, 生产性能

Abstract: This study was aimed to assess nutritional value of soybean meal, gluten meal, cottonseed meal, and rapeseed meal for young Rex rabbit. Conducted of chemical assay, digestion trial and feeding experiment, chemical composition of four protein feeds and absorbable nutrients on Rex rabbit of 3 months were investigated. The results showed that: apparent absorbable protein of cottonseed meal was the highest, 383. 22 g/kg, that was 3. 4, 137. 9, 20. 85 g/kg higher than that of soybean meal, gluten meal and rapeseed meal, respectively; essential amino acid index(EAAI) and apparent absorbable essential amino acid index of rapeseed meal were the highest, were 1. 18 and 0. 047 5, respectively; the highest apparent digestible energy was soybean meal, 9. 99 MJ/kg, that was 2. 94, 3. 20 and 2. 68 MJ/kg higher than that of gluten meal, cottonseed meal and rapeseed meal, respectively; digestion of calcium of soybean meal was the best. Digestibility and apparent absorbable of calcium was 79. 32%, 18. 59 g/kg that was significantly higher than that in cotonseed meal and rapeseed meal; digestion of phosphor was the best in gluten meal. Digestibility and Apparent absorbable phosphor in gluten meal was 63. 82%, 6. 14 g/kg, respectively; the four protein feed showed no effect on feed intake, average daily gain and feed to gain ratio, significantly, but average daily gain of cottonseed meal diet was 26. 64 g that was the highest, cottonseed meal was the best source of protein for 3 months old Rex rabbit.

Key words: Rex rabbit, Protein feed, Amino acid, Chemical analysis, Digestive absorption, Productivity

中图分类号:

S816.15

李清宏, 王晓丹, 高瑞斌. 4种蛋白质饲料对幼龄獭兔饲用价值的比较研究[J]. 华北农学报, 2012, 27(1): 223-229. doi: 10.3969/j.issn.1000-7091.2012.01.042.

LI Qing-hong, WANG Xiao-dan, GAO Rui-bin. Evaluation of Four Protein Feeds'Feeding Value to Young Rex Rabbit[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2012, 27(1): 223-229. doi: 10.3969/j.issn.1000-7091.2012.01.042.

http://www.hbnxb.net/CN/Y2012/V27/I1/223

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