| Autor: |
Ojango, J. M. K., Pollot, G. E. |
| Předmět: |
|
| Zdroj: |
Journal of Animal Science; Jul2001, Vol. 79 Issue 7, p1742, 9p, 4 Charts, 4 Graphs |
| Abstrakt: |
Presents a study which investigated the genetic trends for milk production and fertility traits between 1986 and 1997 breeding of purebred Holstein-Friesian cows in Kenya. Characteristics of the data structure and means and standard deviations for production and fertility rates; Relationship between fertility and production; Pattern of mean breeding values for calving interval by country. |
| Databáze: |
Complementary Index |
| Externí odkaz: |
|
