The Vitamin A Requirements of White Leghorn Pullets During the Growing Period
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چکیده
منابع مشابه
Early access to perches in caged White Leghorn pullets.
Osteoporosis, a progressive decrease in mineralized structural bone, causes 20 to 35% of all mortalities in caged White Leghorn hens. Previous research has focused on manipulating the egg laying environment to improve skeletal health, with little research on the pullet. The objective of the current study was to determine the effect of perch access on pullet health, bone mineralization, muscle d...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1937
ISSN: 0032-5791
DOI: 10.3382/ps.0160034