546. Studies on the secretion of milk of low fat content by cows on diets low in hay and high in concentrates: III. The effect of variations in the amount and physical state of the hay and a comparison of the Shorthorn Friesian breeds.

Autor: Balch, C. C., Balch, D. A., Bartlett, S., Hosking, Zena D., Johnson, V. W., Rowland, S. J., Turner, Jill
Zdroj: Journal of Dairy Research; May1954, Vol. 21 Issue 2, p172-177, 6p
Databáze: Complementary Index