TY  - BOOK
AU  - Solís Ramírez, José.
TI  - Direct and correlated responses to selection for high or low ultrasonic backfat depth in southdown sheep
PY  - 1988///
CY  - Palmerston North, N. Z.
PB  - The author
KW  - Ganado lanar
KW  - Ultrasonido
N1  - Fotocopia; Thesis (Master of Agricultural Science) -- Massey University
ER  -