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Effect of vitamin A restriction on performance and meat quality in finishing Holstein bulls and steers

Twenty-four Holstein steers and 23 Holstein bulls (initial body weight=252±3.5kg and age=187±7.5d) were randomly allocated to 4 treatments arranged in a 2×2 factorial design with gender (bulls vs steers) and vitamin A supplementation (either restricted at 1.3×1000IU/kg, VAR, or supplemented at 4.6×1...

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Bibliographic Details
Published in:Meat science 2011-12, Vol.89 (4), p.412-418
Main Authors: Marti, S., Realini, C.E., Bach, A., Pérez-Juan, M., Devant, M.
Format: Article
Language:English
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Summary:Twenty-four Holstein steers and 23 Holstein bulls (initial body weight=252±3.5kg and age=187±7.5d) were randomly allocated to 4 treatments arranged in a 2×2 factorial design with gender (bulls vs steers) and vitamin A supplementation (either restricted at 1.3×1000IU/kg, VAR, or supplemented at 4.6×1000IU/kg, CTR) to evaluate the effect of vitamin A restriction on performance, carcass and meat quality traits of Holstein steers and bulls. Intramuscular fat was less (P
ISSN:0309-1740
1873-4138
DOI:10.1016/j.meatsci.2011.05.003