Genetic analyses of field-recorded growth and carcass traits for Swedish beef cattle

Eriksson, Staffan; Näsholm, A.; Johansson, Kjell; Philipsson, J.

doi:10.1016/s0301-6226(03)00049-6

Cited by 32 publications

(44 citation statements)

References 11 publications

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“…The first two correlations are consistent with the previous studies on beef and dairy cattle, which have the average estimates of 0.42 (r P = 0.49) and 0.12 (r P = 0.47) Dijkstra et al, 1990;Hirooka et al, 1998;Liinamo et al, 1999;Parkkonen et al, 2000;Eriksson et al, 2003;Hickey et al, 2007). Our estimates for the correlations between conformation and fat seem to be, at first sight, in contrast with the literature average of 0.20 (r P = 0.28).…”

Section: Trait Variationsupporting

confidence: 90%

“…The average heritabilities across breeds for carcass weight, carcass conformation and carcass fat were 0.43, 0.34 and 0.33. Across the studies in which all the three traits have been recorded, the average heritability estimates are 0.30, 0.23 and 0.20, revealing the same pattern as in our data, yet with a lower overall level Dijkstra et al, 1990;Hirooka et al, 1998;Liinamo et al, 1999;Parkkonen et al, 2000;Eriksson et al, 2003;Hickey et al, 2007;Veselá et al, 2011). Our estimate of 0.43 for carcass weight is, however, not unusual.…”

Section: Trait Variationsupporting

confidence: 82%

“…On the other hand, in Charolais and Limousin, the two continental large body-sized and muscular breeds with the lowest fat levels (Marshall, 1994), carcass weight and fat were weakly related to each other, but more conformed carcasses were genetically related to decreasing fat. Similarly, in the literature the strongest negative genetic correlations between conformation and fat occur in Charolais and Pirenaica Eriksson et al, 2003; Figure 2).…”

Section: Trait Variationsupporting

confidence: 74%

“…To record carcass conformation and fat in cattle, a standardized EUROP carcass classification has been established in the European Union (EEC Regulation N.1208/81 andN.2930/81). In beef cattle, few studies on the quantitative genetics of EUROP carcass conformation and carcass fat have been conducted, revealing genetic variation for the traits but also large variation in the estimates between studies and breeds Eriksson et al, 2003;Hickey et al, 2007;Tarrés et al, 2011;Veselá et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Genetic parameters for carcass weight, conformation and fat in five beef cattle breeds

Kause

Mikkola

Strandén

et al. 2015

Animal

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Profitability of beef production can be increased by genetically improving carcass traits. To construct breeding value evaluations for carcass traits, breed-specific genetic parameters were estimated for carcass weight, carcass conformation and carcass fat in five beef cattle breeds in Finland (Hereford, Aberdeen Angus, Simmental, Charolais and Limousin). Conformation and fat were visually scored using the EUROP carcass classification. Each breed was separately analyzed using a multitrait animal model. A total of 6879-19 539 animals per breed had phenotypes. For the five breeds, heritabilities were moderate for carcass weight ( h 2 = 0.39 to 0.48, s.e. = 0.02 to 0.04) and slightly lower for conformation ( h 2 = 0.30 to 0.44, s.e. = 0.02 to 0.04) and carcass fat ( h 2 = 0.29 to 0.44, s.e. = 0.02 to 0.04). The genetic correlation between carcass weight and conformation was favorable in all breeds (r G = 0.37 to 0.53, s.e. = 0.04 to 0.05), heavy carcasses being genetically more conformed. The phenotypic correlation between carcass weight and carcass fat was moderately positive in all breeds (r P = 0.21 to 0.32), implying that increasing carcass weight was related to increasing fat levels. The respective genetic correlation was the strongest in Hereford (r G = 0.28, s.e. = 0.05) and Angus (r G = 0.15, s.e. = 0.05), the two small body-sized British breeds with the lowest conformation and the highest fat level. The correlation was weaker in the other breeds (r G = 0.08 to 0.14). For Hereford, Angus and Simmental, more conformed carcasses were phenotypically fatter (r P = 0.11 to 0.15), but the respective genetic correlations were close to zero (r G = − 0.05 to 0.04). In contrast, in the two large body-sized and muscular French breeds, the genetic correlation between conformation and fat was negative and the phenotypic correlation was close to zero or negative (Charolais: r G = − 0.18, s.e. = 0.06, r P = 0.02; Limousin: r G = − 0.56, s.e. = 0.04, r P = − 0.13). The results indicate genetic variation for the genetic improvement of the carcass traits, favorable correlations for the simultaneous improvement of carcass weight and conformation in all breeds, and breed differences in the correlations of carcass fat.

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Section: Trait Variationsupporting

confidence: 90%

Section: Trait Variationsupporting

confidence: 82%

Section: Trait Variationsupporting

confidence: 74%

Section: Introductionmentioning

confidence: 99%

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Genetic parameters for carcass weight, conformation and fat in five beef cattle breeds

Kause

Mikkola

Strandén

et al. 2015

Animal

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“…The heritability estimates observed in both the steers and heifers for cold carcass weight were in agreement with the mean estimate of 0.40 reported by Rios Utrera and Van Vleck (2004), following an extensive review of heritability estimates for carcass traits across 56 studies. Using two distinct purebred populations of Swedish Charolais and Hereford, Eriksson et al (2003) reported heritability estimates of 0.22 (Hereford) and 0.34 (Charolais) for carcass conformation, and of 0.27 (Hereford) and 0.38 (Charolais) for carcass fat grading. Hickey et al (2007), using data from Irish abattoirs, observed a wide range in heritability estimates across eight Irish sub-populations separated according to breed of sire.…”

Section: Carcass Measurementsmentioning

confidence: 99%

Genetic variation in wholesale carcass cuts predicted from digital images in cattle

Pabiou

Fikse

Amer³

et al. 2011

Animal

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The objective of this study was to quantify the genetic variation in carcass cuts predicted using digital image analysis in commercial cross-bred cattle. The data set comprised 38 404 steers and 14 318 heifers from commercial Irish herds. The traits investigated included the weights of lower value cuts (LVC), medium value cuts (MVC), high value cuts (HVC), very high value cuts (VHVC) and total meat weight. In addition, the weights of total fat and total bones were available on the steers. Heritability of carcass cut weights, within gender, was estimated using an animal linear model, whereas genetic and phenotypic correlations among cuts were estimated using a sire linear model. Carcass weight was included as a covariate in all models. In the steers, heritability ranged from 0.13 (s.e. 5 0.02) for VHVC to 0.49 (s.e. 5 0.03) for total bone weight, and in the heifers heritability ranged from 0.15 (s.e. 5 0.04) for MVC to 0.72 (s.e. 5 0.06) for total meat weight. The coefficient of genetic variation for the different cuts varied from 1.4% to 3.6%. Genetic correlations between the different cut weights were all positive and ranged from 0.45 (s.e. 5 0.08) to 0.89 (s.e. 5 0.03) in the steers, and from 0.47 (s.e. 5 0.14) to 0.82 (s.e. 5 0.06) in the heifers. Genetic correlations between the wholesale cut weights and carcass conformation ranged from 0.32 (s.e. 5 0.06) to 0.45 (s.e. 5 0.07) in the steers, and from 0.10 (s.e. 5 0.12) to 0.38 (s.e. 5 0.09) in the heifers. Genetic correlations between the same wholesale cut traits in steers and heifers ranged from 0.54 (s.e. 5 0.14) for MVC to 0.79 (s.e. 5 0.06) for total meat weight; genetic correlations between carcass weight and carcass classification for conformation and fat score in both genders varied from 0.80 to 0.87. The existence of genetic variation in carcass cut traits, coupled with the routine availability of predicted cut weights from digital image analysis, clearly shows the potential to genetically improve carcass value.

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Genetic parameters for carcase measurements and age at slaughter in commercial cattle

Pritchard

Wall

Coffey

2021

animal

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Genetic analyses of field-recorded growth and carcass traits for Swedish beef cattle

Cited by 32 publications

References 11 publications

Genetic parameters for carcass weight, conformation and fat in five beef cattle breeds

Genetic parameters for carcass weight, conformation and fat in five beef cattle breeds

Genetic variation in wholesale carcass cuts predicted from digital images in cattle

Genetic parameters for carcase measurements and age at slaughter in commercial cattle

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