Some observations on the heterosis of pigs produced by artificial insemination and hand coupling in the Torabims piggery farm, Cuyapo, Nueva Ecija [microform]
| Main Author: | |
|---|---|
| Format: | Visual Material |
| Language: | English |
| Published: |
Quezon City
Photoduplication Sevice, University of the Philippines Library
1975.
|
| Subjects: |