Genetic selection for sensory eating quality of lamb using consumer assessments

S Z Y Guy; S I Mortimer; L Pannier; P McGilchrist; D J Brown; D Pethick; A A Swan

doi:10.3920/978-90-8686-940-4_728

Genetic selection for sensory eating quality of lamb using consumer assessments

S Z Y Guy, S I Mortimer, L Pannier, P McGilchrist, D J Brown, D Pethick, A A Swan

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This paper reports genetic parameter estimates for correlations between consumer eating quality and carcase traits for Terminal sire sheep breeds. Four consumer sensory-assessment traits (tenderness, flavour, juiciness, liking) were collected on loin and topside cuts (n~2,700). Heritability estimates (h²) were low to moderate for these traits (0.12<h²<0.33), with the topside cut having slightly more genetic variation than the loin. Genetic correlations (ȓ_g) between sensory traits were high within cuts (ȓ_g>0.94) and across cuts (ȓ_g>0.61). There were moderate to high correlations of sensory with the objective eating quality traits (intramuscular fat and shear force) and low to moderately negative correlations with carcase lean meat yield. These estimates can be used to revise selection indexes, and potentially develop breeding values for consumer eating quality in multi-trait models with on-farm and carcase traits.

Original language	English
Title of host publication	Proceedings of the 12th World Congress on Genetics Applied to Livestock Production
Editors	R F Veerkamp, Y de Hass
Place of Publication	Wageningen, The Netherlands
Publisher	Wageningen Academic Publishers
Pages	3000-3003
ISBN (Print)	9789086869404
DOIs	https://doi.org/10.3920/978-90-8686-940-4_728
Publication status	Published - 9 Feb 2023
Event	12th World Congress on Genetics Applied to Livestock Production - De Doelen International Conference Center Rotterdam Schouwburgplein 50 Rotterdam, The Netherlands, Rotterdam, The Netherlands Duration: 3 Jul 2022 → 8 Jul 2022

Conference

Conference	12th World Congress on Genetics Applied to Livestock Production
City	Rotterdam, The Netherlands
Period	3/07/22 → 8/07/22

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10.3920/978-90-8686-940-4_728

https://hdl.handle.net/1959.11/57528

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Guy, S. Z. Y., Mortimer, S. I., Pannier, L., McGilchrist, P., Brown, D. J., Pethick, D., & Swan, A. A. (2023). Genetic selection for sensory eating quality of lamb using consumer assessments. In R. F. Veerkamp, & Y. D. Hass (Eds.), Proceedings of the 12th World Congress on Genetics Applied to Livestock Production (pp. 3000-3003). Article 728 Wageningen Academic Publishers. https://doi.org/10.3920/978-90-8686-940-4_728

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title = "Genetic selection for sensory eating quality of lamb using consumer assessments",

abstract = "This paper reports genetic parameter estimates for correlations between consumer eating quality and carcase traits for Terminal sire sheep breeds. Four consumer sensory-assessment traits (tenderness, flavour, juiciness, liking) were collected on loin and topside cuts (n\textasciitilde{}2,700). Heritability estimates (h2) were low to moderate for these traits (0.12<h2<0.33), with the topside cut having slightly more genetic variation than the loin. Genetic correlations (ȓg) between sensory traits were high within cuts (ȓg>0.94) and across cuts (ȓg>0.61). There were moderate to high correlations of sensory with the objective eating quality traits (intramuscular fat and shear force) and low to moderately negative correlations with carcase lean meat yield. These estimates can be used to revise selection indexes, and potentially develop breeding values for consumer eating quality in multi-trait models with on-farm and carcase traits.",

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Guy, SZY, Mortimer, SI, Pannier, L, McGilchrist, P , Brown, DJ, Pethick, D & Swan, AA 2023, Genetic selection for sensory eating quality of lamb using consumer assessments. in RF Veerkamp & YD Hass (eds), Proceedings of the 12th World Congress on Genetics Applied to Livestock Production., 728, Wageningen Academic Publishers, Wageningen, The Netherlands, pp. 3000-3003, 12th World Congress on Genetics Applied to Livestock Production, Rotterdam, The Netherlands, 3/07/22. https://doi.org/10.3920/978-90-8686-940-4_728

Genetic selection for sensory eating quality of lamb using consumer assessments. / Guy, S Z Y; Mortimer, S I; Pannier, L et al.
Proceedings of the 12th World Congress on Genetics Applied to Livestock Production. ed. / R F Veerkamp; Y de Hass. Wageningen, The Netherlands: Wageningen Academic Publishers, 2023. p. 3000-3003 728.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Genetic selection for sensory eating quality of lamb using consumer assessments

AU - Guy, S Z Y

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N2 - This paper reports genetic parameter estimates for correlations between consumer eating quality and carcase traits for Terminal sire sheep breeds. Four consumer sensory-assessment traits (tenderness, flavour, juiciness, liking) were collected on loin and topside cuts (n~2,700). Heritability estimates (h2) were low to moderate for these traits (0.12<h2<0.33), with the topside cut having slightly more genetic variation than the loin. Genetic correlations (ȓg) between sensory traits were high within cuts (ȓg>0.94) and across cuts (ȓg>0.61). There were moderate to high correlations of sensory with the objective eating quality traits (intramuscular fat and shear force) and low to moderately negative correlations with carcase lean meat yield. These estimates can be used to revise selection indexes, and potentially develop breeding values for consumer eating quality in multi-trait models with on-farm and carcase traits.

AB - This paper reports genetic parameter estimates for correlations between consumer eating quality and carcase traits for Terminal sire sheep breeds. Four consumer sensory-assessment traits (tenderness, flavour, juiciness, liking) were collected on loin and topside cuts (n~2,700). Heritability estimates (h2) were low to moderate for these traits (0.12<h2<0.33), with the topside cut having slightly more genetic variation than the loin. Genetic correlations (ȓg) between sensory traits were high within cuts (ȓg>0.94) and across cuts (ȓg>0.61). There were moderate to high correlations of sensory with the objective eating quality traits (intramuscular fat and shear force) and low to moderately negative correlations with carcase lean meat yield. These estimates can be used to revise selection indexes, and potentially develop breeding values for consumer eating quality in multi-trait models with on-farm and carcase traits.

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BT - Proceedings of the 12th World Congress on Genetics Applied to Livestock Production

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Guy SZY, Mortimer SI, Pannier L, McGilchrist P , Brown DJ, Pethick D et al. Genetic selection for sensory eating quality of lamb using consumer assessments. In Veerkamp RF, Hass YD, editors, Proceedings of the 12th World Congress on Genetics Applied to Livestock Production. Wageningen, The Netherlands: Wageningen Academic Publishers. 2023. p. 3000-3003. 728 doi: 10.3920/978-90-8686-940-4_728

Genetic selection for sensory eating quality of lamb using consumer assessments

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