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Godden, S. M.
Relationships between milk urea concentrations and nutritional management, production and economic variables in Ontario dairy herds
Source: JOURNAL OF DAIRY SCIENCE
Year published: 2001 y.
Volume: 84, 5
Pages: 1128-1139
Libraries: TUN
Signature: А173
Keywords:
говедовъдство
крави
мляко
карбамид
концентрация
хранене
мениджмънт
продуктивност
икономика
продукция
рентабилност
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