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New diagnostic tools helping poll breeding for sustainable beef production

Randhawa, I.A.S., Hayes, B. J., Porto-Neto, L. R., Schutt, K.M., McGowan, M.R., Burns, B.M. and Lyons, R.E. (2019) New diagnostic tools helping poll breeding for sustainable beef production. In: Proceedings of the Northern Beef Research Update Conference, 19-22 August 2019, Brisbane, Queensland, Australia.

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Abstract

Management of horns in beef cattle has major economic and welfare impacts, and therefore, breeding for naturally hornless (polled) cattle is widely practiced. Poll breeding can be significantly accelerated by using DNA diagnostic tools (Prayaga 2007), and the Australian beef cattle industry has adopted the available DNA poll testing assays, which are generally successful. However, issues of applicability in Bos indicus cattle has arisen due to a more complex mode of inheritance of the horn phenotype. This study has investigated these limitations and further optimized the poll gene testing to increase accuracy and informativeness across all breeds. We also investigated if polled genetics were different than horned animals for beef production.

Item Type:Conference or Workshop Item (Paper)
Business groups:Animal Science
Keywords:AgTech
Subjects:Agriculture > Agriculture (General) > Special aspects of agriculture as a whole > Sustainable agriculture
Agriculture > Agriculture (General) > Agricultural education > Research. Experimentation
Animal culture > Breeding and breeds
Animal culture > Cost, yield and profit. Accounting
Animal culture > Cattle
Live Archive:10 Feb 2020 05:31
Last Modified:03 Sep 2021 16:45

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