Journal article

Breed structures in Australian dairy herds

JE Coombe, JM Morton, DS Beggs, MJ Dodds, MF Pyman

AUSTRALIAN VETERINARY JOURNAL | WILEY | Published : 2021

Abstract

Breed structures of Australian dairy herds over time were described for a large subset of milk-recording herds. The focus for this study was to describe the use of crossbreeding by dairy farmers, specifically proportions of herds using crossbreeding, whether they were using two-breed or three-breed crossbreeding systems, and how herd-breed structures changed over time. The most common breed structure in Australian milk-recording herds between 2000 and 2013 was two-breed crossbreeding (39% of herd-years). The next most common breed structure was purebred (35%). Over the period studied, the proportion of herds that were purebred decreased, while the proportion of herds that were crossbreeding ..

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Funding Acknowledgements

The authors acknowledge Dairy Australia for funding this project, and ADHIS (now Datagene) for providing the data.