Impact of different strategies and levels of preferential treatment on different methods of bull dam selection
Three milk, fat yield and final score type records were simulated for each cow in 20 herds of 200 cows over 13 years. At completion of the simulation, cows were ranked by different selection methods and the top 2% were chosen to be bull dams. Preferential treatment was simulated by increasing milk a...
Main Author: | |
---|---|
Other Authors: | |
Format: | Others |
Language: | en |
Published: |
Virginia Tech
2014
|
Subjects: | |
Online Access: | http://hdl.handle.net/10919/41590 http://scholar.lib.vt.edu/theses/available/etd-03142009-040426/ |