The influence of selected litter and herd factors on treatments for lameness in suckling piglets from 35 Danish herds

J. Christensen

doi:10.1016/0167-5877(95)00523-4

The influence of selected litter and herd factors on treatments for lameness in suckling piglets from 35 Danish herds

J. Christensen

National Food Institute

Technical University of Denmark

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

A hypothesis-generating analysis of risk factors associated with lameness in litters was performed. The overall proportion of litters treated for lameness in 7632 litters selected from the Health and Production Surveillance system database (HEPS-database) was 12.2%. The a priori hypotheses formed was: high-risk litters are (1) large litters, (2) litters with previous diseases or deaths, (3) litters where the nursing sow had been treated, or (4) litters from high-parity sows. Litters from large conventional herds or from herds with a high stocking density were expected to have a high risk of acquiring lameness, The primary cause of lameness in litters was assumed to be joint infections. With this contagious element of disease, a considerable herd effect and thus extra-binomial variation was expected due to the dependence of litters within herds.

Original language	English
Journal	Preventive Veterinary Medicine
Volume	26
Issue number	2
Pages (from-to)	107-118
ISSN	0167-5877
DOIs	https://doi.org/10.1016/0167-5877(95)00523-4
Publication status	Published - 1996

Keywords

lameness
pigs
confounding
suckling
clustering

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abstract = "A hypothesis-generating analysis of risk factors associated with lameness in litters was performed. The overall proportion of litters treated for lameness in 7632 litters selected from the Health and Production Surveillance system database (HEPS-database) was 12.2%. The a priori hypotheses formed was: high-risk litters are (1) large litters, (2) litters with previous diseases or deaths, (3) litters where the nursing sow had been treated, or (4) litters from high-parity sows. Litters from large conventional herds or from herds with a high stocking density were expected to have a high risk of acquiring lameness, The primary cause of lameness in litters was assumed to be joint infections. With this contagious element of disease, a considerable herd effect and thus extra-binomial variation was expected due to the dependence of litters within herds.",

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AB - A hypothesis-generating analysis of risk factors associated with lameness in litters was performed. The overall proportion of litters treated for lameness in 7632 litters selected from the Health and Production Surveillance system database (HEPS-database) was 12.2%. The a priori hypotheses formed was: high-risk litters are (1) large litters, (2) litters with previous diseases or deaths, (3) litters where the nursing sow had been treated, or (4) litters from high-parity sows. Litters from large conventional herds or from herds with a high stocking density were expected to have a high risk of acquiring lameness, The primary cause of lameness in litters was assumed to be joint infections. With this contagious element of disease, a considerable herd effect and thus extra-binomial variation was expected due to the dependence of litters within herds.

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The influence of selected litter and herd factors on treatments for lameness in suckling piglets from 35 Danish herds

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