TY  - BOOK
AU  - Lindstrom, Ulf B.
TI  - Selection intensity for milk yield in 1970-1977 in the Finnish Ayrshire
KW  - Ganado lechero
KW  - Finlandia
KW  - Leche
KW  - Producción
N1  - Sobretiro de: J. of the Scientific Agr. Soc. of Finalnd 50:445-454, 1978
ER  -