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Updated: Jul 5, 2026

Production of Germ-Free Fast-Growing Broilers from a Commercial Line for Microbiota Studies
Published on: June 18, 2020
An update on the epidemiology of contact dermatitis in commercial broilers
F D Menzies1, E A Goodall, D A McConaghy
1Department of Agriculture for Northern Ireland, Veterinary Sciences Division, Belfast, Northern Ireland.
Abstract:
A computerized management and disease information retrieval system for commercial broiler production was established in 1985. The database presently contains information on over 950 flocks (15 million birds) per annum. The system has enabled the effectiveness of strategies which have been implemented to control contact dermatitis to be monitored. Between 1986 and 1994, the prevalence of breast burn lesions has been practically eradicated (0.2 to 0.00%) and the prevalence of hock burn lesions has been dramatically reduced from 21 to 7%. This reduction has been mainly due to the use of better litter management techniques and improvements in house design, particularly changing the type of drinker system. Production factors during 1993 and 1994 which were found to be consistently related to increased prevalence of hock burn lesions were male only flocks, inferior food conversion ratio, failure to meet target income and increased mortality rates.
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