Efficiency of feed utilization for milk production of Jersey x Russian Black Pied cross cows in relation to body weight

Gere, T.

Izv. timiryazev. sel'skokhoz. Akad, 3, 182-89


Accession: 014456459

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3 groups of 10 Jersey x Russian Black Pied cross cows (3/8-5/8 Jersey blood), differing in body wt. but matched otherwise, received for 10 months a common ration irrespective of body wt., and concentrates according to milk yield; the cows remained indoors during the summer months and received a green feed supplement.