Value of data from ram breeding flocks as an industry reference population for Australian sheep

P Alexandri; S F Walkom; A A Swan; J H J van der Werf; D J Brown

doi:10.3920/978-90-8686-940-4_730

Value of data from ram breeding flocks as an industry reference population for Australian sheep

P Alexandri, S F Walkom, A A Swan, J H J van der Werf, D J Brown

Animal Genetics and Breeding Unit

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

Abstract

This study examined the value of using carcass data from seedstock ram breeding flocks to build upon an industry sheep reference population in Australia. Data from 995 lambs managed in 15 commercial ram breeder flocks were collected between 2017 and 2020 for carcass and meat quality measurements: hot carcass weight, tissue depth on the 12^th rib (GR site), eye muscle depth, fat between the 12^th and the 13^th rib (C - site), intramuscular fat and shear force. Industry data were cross-validated with and without reference data from the MLA Resource Flock. Industry data did not bias the estimation of breeding values when used in combination with the reference population (MLA Resource Flock). Therefore, industry data can be used to expand an industry reference population if data collection is accurate and consistent with industry standards.

Original language	English
Title of host publication	WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production3rd - 8th July, 2022
Editors	R F Veerkamp, Y de Haas
Place of Publication	Wageningen, Netherlands
Publisher	Wageningen Academic
Pages	3008-3011
Volume	12
ISBN (Print)	9789086869404
DOIs	https://doi.org/10.3920/978-90-8686-940-4_730
Publication status	Published - 31 Dec 2022
Event	WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production - De Doelen International Conference Center Rotterdam, Rotterdam, Netherlands Duration: 3 Jul 2022 → 8 Jul 2022

Conference

Conference	WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production
City	Rotterdam, Netherlands
Period	3/07/22 → 8/07/22

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https://hdl.handle.net/1959.11/54428

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Alexandri, P., Walkom, S. F., Swan, A. A., van der Werf, J. H. J., & Brown, D. J. (2022). Value of data from ram breeding flocks as an industry reference population for Australian sheep. In R. F. Veerkamp, & Y. D. Haas (Eds.), WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production3rd - 8th July, 2022 (Vol. 12, pp. 3008-3011). Article 730 Wageningen Academic. https://doi.org/10.3920/978-90-8686-940-4_730

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title = "Value of data from ram breeding flocks as an industry reference population for Australian sheep",

abstract = "This study examined the value of using carcass data from seedstock ram breeding flocks to build upon an industry sheep reference population in Australia. Data from 995 lambs managed in 15 commercial ram breeder flocks were collected between 2017 and 2020 for carcass and meat quality measurements: hot carcass weight, tissue depth on the 12th rib (GR site), eye muscle depth, fat between the 12th and the 13th rib (C - site), intramuscular fat and shear force. Industry data were cross-validated with and without reference data from the MLA Resource Flock. Industry data did not bias the estimation of breeding values when used in combination with the reference population (MLA Resource Flock). Therefore, industry data can be used to expand an industry reference population if data collection is accurate and consistent with industry standards.",

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Alexandri, P, Walkom, SF, Swan, AA, van der Werf, JHJ & Brown, DJ 2022, Value of data from ram breeding flocks as an industry reference population for Australian sheep. in RF Veerkamp & YD Haas (eds), WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production3rd - 8th July, 2022. vol. 12, 730, Wageningen Academic, Wageningen, Netherlands, pp. 3008-3011, WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production, Rotterdam, Netherlands, 3/07/22. https://doi.org/10.3920/978-90-8686-940-4_730

Value of data from ram breeding flocks as an industry reference population for Australian sheep. / Alexandri, P; Walkom, S F; Swan, A A et al.
WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production3rd - 8th July, 2022. ed. / R F Veerkamp; Y de Haas. Vol. 12 Wageningen, Netherlands: Wageningen Academic, 2022. p. 3008-3011 730.

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

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AB - This study examined the value of using carcass data from seedstock ram breeding flocks to build upon an industry sheep reference population in Australia. Data from 995 lambs managed in 15 commercial ram breeder flocks were collected between 2017 and 2020 for carcass and meat quality measurements: hot carcass weight, tissue depth on the 12th rib (GR site), eye muscle depth, fat between the 12th and the 13th rib (C - site), intramuscular fat and shear force. Industry data were cross-validated with and without reference data from the MLA Resource Flock. Industry data did not bias the estimation of breeding values when used in combination with the reference population (MLA Resource Flock). Therefore, industry data can be used to expand an industry reference population if data collection is accurate and consistent with industry standards.

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Alexandri P, Walkom SF, Swan AA, van der Werf JHJ , Brown DJ. Value of data from ram breeding flocks as an industry reference population for Australian sheep. In Veerkamp RF, Haas YD, editors, WCGALP 2022: 12th World Congress on Genetics Applied to Livestock Production3rd - 8th July, 2022. Vol. 12. Wageningen, Netherlands: Wageningen Academic. 2022. p. 3008-3011. 730 doi: 10.3920/978-90-8686-940-4_730

Value of data from ram breeding flocks as an industry reference population for Australian sheep

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