The current breeding program is focused on decreased birth weight without effecting the above mentioned characteristics. The ideal is a negative number on birth weight whilst the above three characteristics remain the same.
Testing of young bulls after weaning start with a Fase D or C test. To qualify for the Fase C test, the bull must have a birth weight of 35 kg or less.In EBV/BLUB the birth weight must there for be less than 1. The wean index must be more than 100.
To qualify for the stringent growth Fase D test, the bull's birth weight must be 40kg or less, with an EBV figure under 2. Wean index must be 100 or more. Only bulls that were Fase D or C tested are used in the stud and offered for sale.
Heifer selection take place whilst weaning by means of indexes. Only heifers with a minimum of 95 or higher on her index, are held back for breeding. Final selection takes place at 18 months. |