Addressing scur phenotyping challenges with the Southern Multi-Breed Project

Title
Addressing scur phenotyping challenges with the Southern Multi-Breed Project
Publication Date
2021
Author(s)
Connors, N K
( author )
OrcID: https://orcid.org/0000-0003-4866-4757
Email: nconnor2@une.edu.au
UNE Id une-id:nconnor2
Walmsley, B J
( author )
OrcID: https://orcid.org/0000-0002-9278-795X
Email: bwalms2@une.edu.au
UNE Id une-id:bwalms2
Donoghue, K A
Abstract
Paper presented by N K Connors
Type of document
Conference Publication
Language
en
Entity Type
Publication
Publisher
Association for the Advancement of Animal Breeding and Genetics (AAABG)
Place of publication
Armidale, Australia
UNE publication id
une:1959.11/51582
Abstract

The genetic basis of polled or horned phenotypes in beef cattle is now well documented, however horned animals will continue to be born in the national herd for some time. Animal welfare will continue to be compromised due to the need to dehorn animals with horn buds. While scurs don’t necessarily require removal, the inability to distinguish between horned or scurred animals at the age of dehorning mean they are dehorned nonetheless. Targeted breeding of polled herds in industry is increasing with genetic poll tests available, but without understanding the genetic basis of scurs, horn buds and thus dehorning practices will remain. The difficulty in identifying the genetic basis of scurs remains the lack of a reference population with accurate phenotypes, driven largely by the difficulty in phenotypinghorns and scurs at usual dehorning age. This paper describes the challenges and preliminary results of a phenotyping project using the Southern Multibreed project herd, which will form a reference population with poll/horn/scur phenotypes, accompanied by full pedigree recording and genomics data.

Link
Citation
Proceedings of the Association for the Advancement of Animal Breeding and Genetics, v.24, p. 70-73
ISSN
1328-3227
Start page
70
End page
73

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