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Alberta Innovates Bio Solutions, Grant/Award Number: 2020F012R

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Martin-Collado D. - Autor o Coautor
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Estimation of economic value for efficiency and animal health and welfare traits, teat and udder structure, in Canadian Angus cattle

Publicado en:Journal Of Animal Breeding And Genetics. 138 (3): 314-325 - 2021-05-01 138(3), doi: 10.1111/jbg.12540

Martin-Collado D.;

Afiliaciones

AbacusBio Int Ltd, Roslin Innovat Ctr, Edinburgh, Midlothian, Scotland - Autor o Coautor
AbacusBio Ltd, Dunedin, New Zealand - Autor o Coautor
Agrifood Res & Technol Ctr Aragon CITA, Anim Prod & Hlth Unit, Zaragoza, Spain - Autor o Coautor
Alberta Innovates Bio Solutions - Financiador
Centro de Investigación y Tecnología Agroalimentaria de Aragón - Entidad de origen
CITA Univ Zaragoza, AgriFood Inst Aragon IA2, Zaragoza, Spain - Autor o Coautor
Univ Alberta, Fac Agr Food & Nutr Sci, Dept Agr Life & Environm Sci, Edmonton, AB, Canada - Autor o Coautor
Univ Calgary, Fac Vet Med, Dept Prod Anim Hlth, 2500 Hosp Dr NW, Calgary, AB T2N 4N1, Canada - Autor o Coautor
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Resúmen

Resúmen: The Canadian Angus Association recently developed genetic evaluations for teat and udder structure, which impact efficiencies, and animal health and welfare. Genetic selection tools are most effective incorporated into economic selection indexes. An important factor in the development of economic indexes is the estimation of the economic value and discounted gene expression coefficients, and thereby the economic weight, of each trait. Traditional estimation methods, interrogation of previous studies quantifying the impact of the traits and bioeconomic modelling, were reinforced using producer surveys that employed pairwise ranking methods. Estimates of discounted genetic expression coefficients, economic value and economic weight for teat and udder score in Canadian Angus cattle were 0.31 per sire, $52.47, and $16.91 per score change on a per calf born basis, respectively, indicating that functional traits such as teat and udder structure have a significant impact on profitability and should be included in genetic selection programmes. Limitations in previous studies illustrate the need for longitudinal studies on traits that impact efficiencies and animal health and welfare.

Palabras clave: conjoint analysis; economic weight; genetic selection index; Angus cattle; Animal experiment; Animal health; Article; Calf (mammal); Conjoint analysis; Economic weight; Genetic selection; Genetic selection index; Longitudinal study; Nonhuman; Quantitative analysis; Teat and udder score; Udder

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