Composite breeds to use heterosis and breed differences to improve efficiency of breef production : in cooperation with the Institute of Agriculture and Natural Resources, University of Nebraska-Lincoln K.E. Gregory, L.V. Cundiff, and R.M. Koch

Por: Gregory, K.E.

Colaborador(es): Koch, R.M | Cundiff, L.V | USDA Agricultural Research Service.

Tipo de material: Libro