Sire Effects in Different Housing Systems
نویسندگان
چکیده
منابع مشابه
Hen welfare in different housing systems.
Egg production systems have become subject to heightened levels of scrutiny. Multiple factors such as disease, skeletal and foot health, pest and parasite load, behavior, stress, affective states, nutrition, and genetics influence the level of welfare hens experience. Although the need to evaluate the influence of these factors on welfare is recognized, research is still in the early stages. We...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1970
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(70)86250-6