O'Reilly, K. M., Harris, M. J., Mendl, M. (Michael), Held, S., Moinard, C., Statham, Poppy, Marchant-Forde, J. and Green, Laura E.. (2006) Factors associated with preweaning mortality on commercial pig farms in England and Wales. VETERINARY RECORD, 159 (7). pp. 193-196. ISSN 0042-4900

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Abstract

Data from 67 pig farms with a variety of farrowing systems were used to identify factors associated with preweaning mortality in British pig herds. The median mortality reported by the farmers was 10-7 per cent (interquartile range 8.5 to 14 per cent). There was a significantly higher mortality when the pigs were weaned when they were older. A multivariable Poisson model was developed into which the types of farrowing system on each farm and the age at weaning were forced. Factors associated with a lower preweaning mortality rate were insulating the farrowing building, providing extra heat at farrowing, giving the piglets iron injections, dipping their navels, using fan ventilation and using artificial lighting systems. Factors associated with a higher mortality rate were a later weaning age, the use of infra-red lamps rather than other forms of supplementary heat, and the use of a creep without any bedding.

Item Type:	Journal Article
Subjects:	S Agriculture > SF Animal culture
Journal or Publication Title:	VETERINARY RECORD
Publisher:	BRITISH VETERINARY ASSOC
ISSN:	0042-4900
Date:	12 August 2006
Volume:	159
Number:	7
Number of Pages:	4
Page Range:	pp. 193-196
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/33162

Data sourced from Thomson Reuters' Web of Knowledge

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