Effect of day length on cause of mortality, leg health, and ocular health in broilers.

doi:10.3382/ps.2011-01967

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Article

Effect of day length on cause of mortality, leg health, and ocular health in broilers.

Poultry science - 1 Jan 2013

Schwean-Lardner K, Fancher B I, Gomis S, Van Kessel A, Dalal S, Classen H L

Abstract excerpt

An experiment was conducted to study the effect of day length, sex, and genotype (Ross × Ross 308 and 708) on mortality causes, bird mobility, footpad health, and ocular size, with 4 trials within the experiment. Four graded day lengths were chosen to allow the study of relationship between day length and health parameters, including 14L:10D, 17L:7D, 20L:4D, and 23L:1D. The primary statistical tools used to...

Topics

Animal Husbandry
Animals
Chickens
Eye Diseases
Female
Foot Diseases
Genotype
Male
Photoperiod
Poultry Diseases

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Open in PubMed

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PMID: 23243224
DOI: 10.3382/ps.2011-01967

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