Influence of genetic type and level of concentrate in the finishing diet on carcass and meat quality traits in beef heifers

J. F. Lage; P. V.R. Paulino; S. C.Valadares Filho; E. J.O. Souza; M. S. Duarte; P. D.B. Benedeti; N. K.P. Souza; R. B. Cox

doi:10.1016/j.meatsci.2011.11.012

Influence of genetic type and level of concentrate in the finishing diet on carcass and meat quality traits in beef heifers

J. F. Lage, P. V.R. Paulino, S. C.Valadares Filho, E. J.O. Souza, M. S. Duarte, P. D.B. Benedeti, N. K.P. Souza, R. B. Cox

Animal Science

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46 Scopus citations

Abstract

Carcass and meat quality traits of thirty-six feedlot beef heifers from different genetic groups (GG) fed at two concentrate levels (CL) were evaluated using 12 - Nellore (NE), 12 - 1/2Angus x 1/2Nellore (AN) and 12 - 1/2Simmental x 1/2Nellore (SN) animals. Six heifers of each GG were randomly assigned into one of two treatments: concentrate at 0.8% or 1.2% of body weight (BW). Heifers fed concentrate at 0.8% of BW had greater (P<0.05) dressing percentage. None of the proximate analysis components of the beef were affected (P>0.05) by either CL or GG. Heifers from the AN group had higher (P<0.05) carcass weights, 12th rib fat thickness and lower dressing percentage (P<0.05) compared to the other groups. NE heifers had greater WBSF values (P<0.05) than the other genetic groups. Data suggest that the concentrate level can be reduced without compromising meat quality traits.

Original language	English (US)
Pages (from-to)	770-774
Number of pages	5
Journal	Meat Science
Volume	90
Issue number	3
DOIs	https://doi.org/10.1016/j.meatsci.2011.11.012
State	Published - Mar 2012

Keywords

Angus
Feedlot
Nellore
Simmental

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10.1016/j.meatsci.2011.11.012

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title = "Influence of genetic type and level of concentrate in the finishing diet on carcass and meat quality traits in beef heifers",

abstract = "Carcass and meat quality traits of thirty-six feedlot beef heifers from different genetic groups (GG) fed at two concentrate levels (CL) were evaluated using 12 - Nellore (NE), 12 - 1/2Angus x 1/2Nellore (AN) and 12 - 1/2Simmental x 1/2Nellore (SN) animals. Six heifers of each GG were randomly assigned into one of two treatments: concentrate at 0.8% or 1.2% of body weight (BW). Heifers fed concentrate at 0.8% of BW had greater (P<0.05) dressing percentage. None of the proximate analysis components of the beef were affected (P>0.05) by either CL or GG. Heifers from the AN group had higher (P<0.05) carcass weights, 12th rib fat thickness and lower dressing percentage (P<0.05) compared to the other groups. NE heifers had greater WBSF values (P<0.05) than the other genetic groups. Data suggest that the concentrate level can be reduced without compromising meat quality traits.",

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author = "Lage, {J. F.} and Paulino, {P. V.R.} and Filho, {S. C.Valadares} and Souza, {E. J.O.} and Duarte, {M. S.} and Benedeti, {P. D.B.} and Souza, {N. K.P.} and Cox, {R. B.}",

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AU - Lage, J. F.

AU - Paulino, P. V.R.

AU - Filho, S. C.Valadares

AU - Souza, E. J.O.

AU - Duarte, M. S.

AU - Benedeti, P. D.B.

AU - Souza, N. K.P.

AU - Cox, R. B.

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N2 - Carcass and meat quality traits of thirty-six feedlot beef heifers from different genetic groups (GG) fed at two concentrate levels (CL) were evaluated using 12 - Nellore (NE), 12 - 1/2Angus x 1/2Nellore (AN) and 12 - 1/2Simmental x 1/2Nellore (SN) animals. Six heifers of each GG were randomly assigned into one of two treatments: concentrate at 0.8% or 1.2% of body weight (BW). Heifers fed concentrate at 0.8% of BW had greater (P<0.05) dressing percentage. None of the proximate analysis components of the beef were affected (P>0.05) by either CL or GG. Heifers from the AN group had higher (P<0.05) carcass weights, 12th rib fat thickness and lower dressing percentage (P<0.05) compared to the other groups. NE heifers had greater WBSF values (P<0.05) than the other genetic groups. Data suggest that the concentrate level can be reduced without compromising meat quality traits.

AB - Carcass and meat quality traits of thirty-six feedlot beef heifers from different genetic groups (GG) fed at two concentrate levels (CL) were evaluated using 12 - Nellore (NE), 12 - 1/2Angus x 1/2Nellore (AN) and 12 - 1/2Simmental x 1/2Nellore (SN) animals. Six heifers of each GG were randomly assigned into one of two treatments: concentrate at 0.8% or 1.2% of body weight (BW). Heifers fed concentrate at 0.8% of BW had greater (P<0.05) dressing percentage. None of the proximate analysis components of the beef were affected (P>0.05) by either CL or GG. Heifers from the AN group had higher (P<0.05) carcass weights, 12th rib fat thickness and lower dressing percentage (P<0.05) compared to the other groups. NE heifers had greater WBSF values (P<0.05) than the other genetic groups. Data suggest that the concentrate level can be reduced without compromising meat quality traits.

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KW - Feedlot

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KW - Simmental

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Influence of genetic type and level of concentrate in the finishing diet on carcass and meat quality traits in beef heifers

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