On the effect fo a grain ration for cows at pasture
Roberts, I.P., Wing, H.H.
On the effect fo a grain ration for cows at pasture - Ithaca 1891 - 342-351 p. - Grain, Cows Cornell Agricultural Experiment Station. Bulletin No. 36 .
On the effect fo a grain ration for cows at pasture - Ithaca 1891 - 342-351 p. - Grain, Cows Cornell Agricultural Experiment Station. Bulletin No. 36 .