The use of energy values in the computation of rations for farm animals /
Armsby, Henry Prentiss
The use of energy values in the computation of rations for farm animals / by Henry Prentiss Armsby - Washington : Department of Agriculture - 31 p. - EUA Dep. of Agri. Bull.; 459 .
205899
Alimentos y alimentación del ganado
The use of energy values in the computation of rations for farm animals / by Henry Prentiss Armsby - Washington : Department of Agriculture - 31 p. - EUA Dep. of Agri. Bull.; 459 .
205899
Alimentos y alimentación del ganado