Evaluation of Four Protein Feeds'Feeding Value to Young Rex Rabbit

doi:10.3969/j.issn.1000-7091.2012.01.042

Abstract

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

CLC Number:

S816.15

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.

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