Título
Problems in cow evaluation and current use of cow index : report of a working group on cow evaluation
Descripción
Problems in cow evaluation and current use of cow index : report of a working group on cow evaluation / J. Philipsson ... [et al.]
Nota
Fotoriproduzione da: 28. Annual meeting European association for animal production, Brussels (Belgium), 22-25 August 1977.
Comentario