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REVIEW

Lamb survival in Australian flocks: a review

G. N. Hinch A B D and F. Brien A C
+ Author Affiliations
- Author Affiliations

A Sheep CRC.

B School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia.

C School of Animal and Veterinary Sciences, University of Adelaide, Roseworthy, SA 5371, Australia. (Formerly South Australian Research and Development Institute, Roseworthy, SA 5371, Australia.)

D Corresponding author. Email: ghinch@une.edu.au

Animal Production Science 54(6) 656-666 https://doi.org/10.1071/AN13236
Submitted: 7 June 2013  Accepted: 5 November 2013   Published: 19 December 2013

Abstract

Lamb survival is known to be a key component of reproductive efficiency in sheep flocks. It has been the subject of a large number of studies over the decades and this review provides an update and insights into the latest understanding of the extent and variability of lamb losses across Australia. The pattern of causes of lamb losses, including dystocia, starvation/exposure, mismothering and predation, are examined. Likewise the importance of birthweight in contributing to such losses is discussed as are strategies for improving lamb survival. The strategies examined include improved ewe nutrition, shelter provision and selection for cold resistance and improved maternal behaviour.


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