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2011 (Vol. 3, Issue: 5)
Article Information:

Effect of Six Feed Supplements on Ruminal Degradation Characteristics and Amino Acid Profile of Sheep

Demba B. Jallow and Liang Chou Hsia
Corresponding Author:  Demba B. Jallow 

Key words:  Amino acid, feed supplements, ruminal degradation, sheep, volatile fatty acids, ,
Vol. 3 , (5): 367-373
Submitted Accepted Published
2011 August, 11 2011 September, 25 2011 October, 15
Abstract:

The objective of this study was to determine the influence of degradation characteristics of six feed supplements on ruminal volatile fatty acid and amino acid production and profile using three ruminally cannulated male sheep. The sheep were fed a concentrate to forage ratio of 35:65. The supplements came from Soybean Meal (SBM), Corn Meal (CM), Meat and Bone Meal (MBM), Feather Meal (FtM), Blood Meal (BM), and distillers Dried Gain with Soluble (DDGs). Sheep were fed at 6 h interval for 42 days. Ruminal parameters such as pH, NH4+, temperature, NO3-, and Volatile Fatty Acids (VFA) were measured over a 12 h period after feeding. Concentrations of pH, NH4+, and NO3- showed significant difference (p<0.001) across all dietary treatments. Sheep fed BM had higher pH (6.64 vs. 5.81), NH4+ (262.31 vs. 1.95 ppm), and NO3- (559.71 vs. 77.40 ppm) values than did those fed CM whereas FtM showed intermediate values. The C2/ (C3+C4) ratio of the major VFA showed a significant difference (p<0.001). Ruminal profile (%) of the sum of amino acids measured was similar among feeds, except Asp, isoleucine, lysine, and proline, respectively. Specific first limiting AA was methionine for SBM while lysine was co-limiting for FtM and DDGs. In general, ruminal parameters were clearly influenced by dietary treatments, with a lower ruminal pH and a higher NH4+ in BM than CM. Overall, the concentration of both total EAA and NEAA were similar among feeds, but numerically SBM had more EAA concentrations followed by CM, MBM, DDGs, BM, and FtM.
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  Cite this Reference:
Demba B. Jallow and Liang Chou Hsia, 2011. Effect of Six Feed Supplements on Ruminal Degradation Characteristics and Amino Acid Profile of Sheep.  International Journal of Animal and Veterinary Advances, 3(5): 367-373.
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ISSN (Online):  2041-2908
ISSN (Print):   2041-2894
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