Cost structure and profitability of Assaf dairy sheep farms in Spain
نویسندگان
چکیده
منابع مشابه
Feeding strategy, nitrogen cycling, and profitability of dairy farms.
On a typical dairy farm today, large amounts of N are imported as feed supplements and fertilizer. If this N is not recycled through crop growth, it can lead to large losses to the atmosphere and ground water. More efficient use of protein feed supplements can potentially reduce the import of N in feeds, excretion of N in manure, and losses to the environment. A simulation study with a dairy fa...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2014
ISSN: 0022-0302
DOI: 10.3168/jds.2013-7884