NDLI: True intestinal digestibility of amino acids of forage and browse legumes in cattle

Content Provider	IEEE Xplore Digital Library
Author	Baloyi, J.J. Hamudikuwanda, H.
Copyright Year	2010
Description	Author affiliation: Department of Animal Science, School of Agriculture, University of Venda, Thohoyandou, South Africa (Baloyi, J.J.) \|\| ABS TCM Ltd, Nyagatare, Rwanda (Hamudikuwanda, H.)
Abstract	The mobile bag technique was used to estimate the true intestinal digestibility of amino acids in Vigna uncuiculata (cowpea), Desmodium uncinatum (silverleaf desmodium) and Brachystegia spiciformis (Musasa) tree foliage. Three multiparous, lactating, mature Holstein x Mashona crossbred dairy cows fitted surgically with ruminal cannulae and T-piece duodenal cannulae were used. The intestinal disappearance of total, indispensible and dispensable amino acids across the legumes after pre-incubation in the rumen for 12, 24 and 48 h was estimated. Silverleaf desmodium had the highest concentration (P ≪ 0.05) of total, indispensable and dispensable amino acids Aspartic acid concentration was more than double (P ≪ 0.05) in si1lverleaf desmodium compared to that in cowpea. There was an interaction (P ≪ 0.01) between the feed type and the pre-rumen incubation time on the disappearance of total amino acids (TAA), indispensable amino acids (IAA) and dispensable amino acids (DAA) in the intestines. The intestinal disappearance of TAA, IAA and DAA was largest in Cowpea after incubation in the rumen for 48 h. Overall, these results suggest that Musasa foliage and silverleaf desmodium provide less rumen degradable nitrogen but more rumen undegraded dietary nitrogen to the intestines than cowpea.
Starting Page	345
Ending Page	347
File Size	150966
Page Count	3
File Format	PDF
ISBN	9781424467754
e-ISBN	9781424467754
DOI	10.1109/ICBBT.2010.5478945
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Legumes Intestines Cows Amino acids Nitrogen Proteins Degradation Animals Mobile bag technique Cattle Delta modulation Agriculture Intestinal digestibility Feeds
Content Type	Text
Resource Type	Article

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