Genetic and environmental variation in reproductive and lactational performance of Jersey cattle in the coastal lowland semi-humid tropics.
Autor: | Njubi, D., Rege, J., Thorpe, W., Collins-Lusweti, E., Nyambaka, R. |
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Zdroj: | Tropical Animal Health & Production; Dec1992, Vol. 24 Issue 4, p231-241, 11p |
Databáze: | Complementary Index |
Externí odkaz: |