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Permanent link (DOI): https://doi.org/10.7939/R3Z31NP94

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Comparison of growth rates in the tissues of primal cuts of Canadian composites Open Access

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Author or creator
Goonewardene, L.A.
Wang, Z
Seneviratne, R.W.
Basarab, J.A.
Okine, E.K.
Stewart-Smith, J.
Aalhus, J.L.
Price, M.A.
Additional contributors
Subject/Keyword
Composite,
beef cattle
muscle,
fat
growth rate
primal cuts
harvest time
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
Beef composites (C) have combined favourable traits of pure breeds. The objective was to compare the growth rates (GR) of muscle (M) and fat (F) in the primal cuts of serially harvested Beefbooster® C types (SM = C of small breeds, AH = C of Angus and Hereford and GLC = C with Gelbvieh, Limousin or Charolais terminal sires) from 274 - 456 days (d) of age to determine harvest times that reflect an increase M and a decrease F. Analysis of covariance obtained the slopes (GR/d) for M and F within each cut and C type. In the SM and AH the GR of overall F in all primal cuts exceeded that of M by 24.8 g/d and 4.91g/d respectively, while in GLC the gain of M exceeded that of F by 6.77 g/d. We suggest that the SM and AH could be harvested at least 30 d earlier than GLC thereby increasing the proportion of carcass M and decreasing F.
Date created
2009
DOI
doi:10.7939/R3Z31NP94
License information
Rights
©South African Society for Animal Science. This is an open access paper. The authors should be cited.
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