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1. This study compared the effect of dietary supplementation with organic or inorganic selenium (Se) sources plus control amounts or large amounts of vitamin E (alpha-tocopherol acetate) in broilers raised at control (20 to 24 degrees C) or low (14.5 to 16.8 degrees C) temperatures after 2 weeks of age. 2. The following dietary treatments were used from one(More)
The effects of the age of the hen, genotype, rearing system and dietary structure on egg and serum cholesterol content and some other characteristics of eggs were investigated in laying hens. However, only the findings related to genotype and rearing system are given. A total of 840 hens, 21weeks of age and consisting of 400 white layers (Babcock-300) and(More)
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