Selection intensity for milk yield in 1970—1977 in the Finnish Ayrshire
Selection differentials for sires and dams of bulls taken into AI use in 1970—1977, as well as for sires used in AI, were combined with an estimate of the quality of dams of female replacements to calculate the (predicted) genetic change in milk yield in the Ayrshire breed. In the period the average...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Scientific Agricultural Society of Finland
1978-12-01
|
| Series: | Agricultural and Food Science |
| Online Access: | https://journal.fi/afs/article/view/71991 |