Study on Basic Criteria of a Grade of Dairy Farms with Different Herd Size

Rusev, N., Institute of Animal Science, Kostinbrod (Bulgaria) ; Bachvarova, S., Institute of Animal Science, Kostinbrod (Bulgaria) ; Gajdarska, V., Institute of Animal Science, Kostinbrod (Bulgaria) ; Harizanova, Ts., Institute of Animal Science, Kostinbrod (Bulgaria) ; Stojkov, P., Complex Experimental Station, Vidin (Bulgaria) ; Ivanova, T., Agricultural Institute, Shumen (Bulgaria)

Bulgarian Journal of Agricultural Science (Bulgaria), 2012, Vol.18 (6), p.958-964 [Periódico revisado por pares]

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