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Title: Genesis, design and methods of the Beef CRC Maternal Productivity Project
Contributor(s): Pitchford, Wayne S (author); Accioly, J M (author); Herd, Robert M  (author)orcid ; Jones, F M (author); Laurence, M (author); Lee, S J (author); McKiernan, W A (author); Parnell, P F (author); Speijers, E J (author); Tudor, G D (author); Graham, J F (author); Banks, Robert  (author)orcid ; Barnes, Anne L (author); Barwick, Stephen  (author); Copping, K J (author); Deland, M P B (author); Donoghue, K A (author); Edwards, N (author); Hebart, M L (author)
Publication Date: 2018
DOI: 10.1071/an13054
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Abstract: Australian seedstock cattle breeders have expressed concerns that while there has been genetic improvement in feedlot and abattoir performance of cows, it could have led to a decline in maternal productivity, especially under variable nutritional conditions. This paper describes a substantial project with two components designed to address these issues. The first sub-project was to monitor bodyweight and composition of 7760 young Angus and Hereford cows as they experience variable physiological states (pregnancy and lactation) and seasons. This was conducted on large numbers in seedstock herds. The second sub-project was to monitor more regularly bodyweight, body composition, and calf rearing performance of 500 Angus cows that are genetically divergent for either fat or residual feed intake at two research centres. This also included two levels of nutrition and recording of weekly feed intake of small groups of cows for at least three parities to allow reporting of genotype x nutrition effects on maternal productivity and efficiency. Results from the project are reported in a series of papers with each one having a defined focus.
Publication Type: Journal Article
Source of Publication: Animal Production Science, 58(1), p. 20-32
Publisher: CSIRO Publishing
Place of Publication: Australia
ISSN: 1836-5787
Fields of Research (FoR) 2008: 070201 Animal Breeding
Fields of Research (FoR) 2020: 300305 Animal reproduction and breeding
Socio-Economic Objective (SEO) 2008: 830301 Beef Cattle
Socio-Economic Objective (SEO) 2020: 100401 Beef cattle
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Animal Genetics and Breeding Unit (AGBU)
Journal Article
School of Environmental and Rural Science

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