G Seeland

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
SUMMARY Milk performance data of cross-breds in the synthetic breed German Black Pied Dairy Cattle (SMR), that had calved for the first time between 1970 and 1984, were used to estimate individual cross-breeding effects on milk production traits. Three million pure-bred and cross-bred cows that were in their first lactation and had originated from(More)
Changes in genetic variation of sexual maturity, initial and 500-days egg production during 12 year of selection for these traits were estimated by investigating the changes of their h 2 coefficients. Three variants of calculations of h 2 were used utilizing the production records for period of 2, 3 or 4 consecutive generations respectively. The results(More)
  • 1