Comparison of a Liquid Supplement of Nonprotein Nitrogen with Urea and Soybean Meal for Lactating Cows

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ژورنال

عنوان ژورنال: Journal of Dairy Science

سال: 1971

ISSN: 0022-0302

DOI: 10.3168/jds.s0022-0302(71)85778-8