Heritability and genetic correlation estimates for performance, meat quality and quantitative skeletal muscle fiber traits in broiler

Felício, Andrezza Maria; Gaya, Leila de Genova; Ferraz, José Bento Sterman; Moncau, Cristina Tschorny; Mattos, E. C.; Santos, Natanael Pereira da Silva; Filho, Tercio Michelan; Balieiro, J. C. C.; Eler, Joanir Pereira

doi:10.1016/j.livsci.2013.08.005

Cited by 21 publications

(26 citation statements)

References 19 publications

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“…The mean of FCR (1.89 (0.24)) was similar to that given by Aggrey et al (2010) The CV for pHi, pHf and L* were low, with values of 3 %, 2 % and 5 %, respectively, which were similar to those reported by Le Bihan-Duval et al (2008), Chabault et al (2012) and Felício et al (2013), in commercial lines of broilers. The coefficients of variation for the other meat quality traits studied varied from 28 to 50 %.…”

Section: Resultssupporting

confidence: 88%

“…The CV for TL and SF, 50 % and 34 %, respectively, were higher than the CV from the other meat quality traits. Felício et al (2013) found higher CV values for these traits (58 % and 36 %, respectively), Le Bihan-Duval et al (2008) and Chabault et al (2012) reported lower values, 33 % for TL and for SF ranging from 21 % to 27 %. The coefficients of variation obtained indicate the existence of different levels of phenotypic variability for the traits analyzed and, consequently, the possibility of genetic gains for all the variables tested, in different intensities.…”

Section: Resultsmentioning

confidence: 87%

“…Genetic variability in feed conversion ratio and meat quality traits has been investigated and heritability for these traits in broilers can be found in the literature, ranging from 0.13 to 0.45, and 0.04 to 0.48, respectively (Gaya et al, 2006;Aggrey et al, 2010;Verdal et al, 2011;Howie et al, 2011;Chabault et al, 2012;Felício et al, 2013). However, reports on the co-variation between feed conversion ratio and meat quality traits in commercial poultry are unavailable; therefore, the association between them is so far unknown and should be investigated.…”

Section: Quality Traits In Broilermentioning

confidence: 99%

“…Different values for heritability estimates for these traits are reported (Le Bihan-Duval et al, 2008;Chabault et al, 2012;Felício et al, 2013), ranging from low to moderate (0.04 to 0.48). The heritability estimate for L* (0.27) was slightly different from that described by Le Bihan-Duval et al (2008) and Felício et al (2013), which reported values of 0.35 and 0.33, respectively, for this trait in heavy commercial broiler lines at 42 and at 44 days of age. The heritability estimate found for DL (0.13) was low and similar to that reported by Felício et al (2013), of 0.15, and lower than that described by Le Bihan-Duval et al (2008), of 0.26.…”

Section: Heritability Estimatesmentioning

confidence: 99%

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Inferences on the effects of selection for feed conversion over meat quality traits in broiler

Paiva

Mourão

Ferraz

et al. 2018

Sci. agric. (Piracicaba, Braz.)

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ABSTRACT:The intense selection process for economic traits conducted by the poultry breeding programs has been caused several changes in broiler meat quality. A database belonging to a selection program of a broiler male line was used to estimate heritability and genetic correlations for feed conversion ratio and meat quality traits, which were: initial and final pH, lightness, drip loss, thawing loss and shear force. Two-trait analyses were performed and the components of co(variance) and genetic parameters were determined using the Bayesian approach and the GIBBS3F90 software. The heritability estimate found for feed conversion ratio (0.52) showed high influence of direct additive genetic effects on the expression of this trait; therefore, this trait is able to respond to selection. The genetic correlation estimates obtained (-0.50 to 0.33) were indicative of important associations between feed conversion ratio and meat quality traits. The selection to improve feed conversion ratio may cause injury in greater or lesser degree for L*, drip loss (DL), thawing loss (TL) and shear force (SF) in broilers. It is recommended the monitoring of consequences of feed conversion ratio used as selection criteria or meat quality traits in broilers, due to its unfavorable indirect selection for these variables in this population. Breeding methods for efficiency improvements in broilers feed are suggested, which also benefit sensorial and functional properties of the meat.

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Section: Resultssupporting

confidence: 88%

Section: Resultsmentioning

confidence: 87%

Section: Quality Traits In Broilermentioning

confidence: 99%

Section: Heritability Estimatesmentioning

confidence: 99%

See 2 more Smart Citations

Inferences on the effects of selection for feed conversion over meat quality traits in broiler

Paiva

Mourão

Ferraz

et al. 2018

Sci. agric. (Piracicaba, Braz.)

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show abstract

“…Genetic selection for these traits has been shown to be very effective, as demonstrated by Schmidt et al (2009) who showed that a modern broiler line grew 1.8 times faster, had 72% greater BW and two-fold higher BMY at 5 weeks than a heritage line. In the same time, such selection has induced changes in breast muscle characteristics such as increased fiber size (Guernec et al, 2003;Felicio et al, 2013;Koomkrong et al, 2015), and reduced glycolytic potential resulting in a higher ultimate pH (pHu) (Berri et al, 2001 and2007;Le Bihan-Duval et al, 2008). Concomitantly, the role of nutrition in enabling broilers to reach their genetic potential has been widely studied, with a particular focus on AA, particularly Lys.…”

Section: Introductionmentioning

confidence: 99%

Combined effect of divergent selection for breast muscle ultimate pH and dietary amino acids on chicken performance, physical activity and meat quality

Alnahhas¹,

Berri²,

Chabault-Dhuit³

et al. 2017

Animal

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Responses to changes in dietary Lys and other essential amino acid (AA) concentrations were evaluated in 480 male and female broilers originating from two lines divergently selected for high (pHu+) or low (pHu−) ultimate pH (pHu) of breast muscle. The two genetic lines were fed with two grower isoenergetic diets differing in both true digestible Lys (control = 10.2 g/kg and experimental = 7.0 g/kg) and amounts of other essential AA calculated in relation to Lys, which were sufficient for the control diet or in excess for the experimental diet. There were six repetitions per treatment. Birds were weighed individually at days 0, 21, 28 and 43. Feed consumption was recorded per pen and feed conversion was calculated over the growing period. The physical activity and walking ability of broilers were recorded during the whole rearing period. Breast and leg yield, and abdominal fat percentage were measured at 43 days of age, as were pHu, color, drip and cooking loss, Warner-Bratzler shear force, and curing-cooking yield of the breast Pectoralis major and pHu of the thigh Sartorius muscle. Divergent selection greatly affected most breast meat quality traits without significantly changing growth rate or feed efficiency. When subjected to a variation in dietary intake of AA, birds from the two genotypes responded in a similar way in terms of animal's growth, feed efficiency, body composition and meat quality traits. Although line and diet did not affect physical or feeding activities of the broilers, a significant effect of line-by-diet interaction was observed on gait score. Contrary to the pHu− birds, the walking ability of pHu+ birds was impaired when fed the control diet that favored growth and breast muscle development and limited storage of carbohydrate in muscle.

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Characterization of muscle development and gene expression in early embryos of chicken, quail, and their hybrids

Zhu

Wang

Shao

et al. 2021

Gene

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Heritability and genetic correlation estimates for performance, meat quality and quantitative skeletal muscle fiber traits in broiler

Cited by 21 publications

References 19 publications

Inferences on the effects of selection for feed conversion over meat quality traits in broiler

Inferences on the effects of selection for feed conversion over meat quality traits in broiler

Combined effect of divergent selection for breast muscle ultimate pH and dietary amino acids on chicken performance, physical activity and meat quality

Characterization of muscle development and gene expression in early embryos of chicken, quail, and their hybrids

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