Bone breakage in three strains of end-of-lay hens | Zendy

K. L. Budgell | Zendy; F.G. Silversides | Zendy

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Bone breakage in three strains of end-of-lay hens

Author(s) -

K. L. Budgell,

F.G. Silversides

Publication year - 2004

Publication title -

canadian journal of animal science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1918-1825

pISSN - 0008-3984

DOI - 10.4141/a04-040

Subject(s) - breakage , biology , zoology , composite material , materials science

Spent hens of two commercial lines and one heritage line of layers were slaughtered at 72 wk of age and dissected to determine the number of bone fractures before shipping, during depopulation and shipping, and during slaughter. The ISA-Brown and Babcock B300 hens had higher incidences of old (11.1 and 11.7%) and shipping breaks (7.9 and 10.0%) than a line of Brown Leghorns (0.0 and 3.5%, respectively), suggesting that selection of commercial layers for increased egg production may have affected bone strength. All hens experienced broken bones during processing. Key words: Layers, strain, bone breakage

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