EBI Base Change September 2025
Автор: ICBF Irish Cattle Breeding Federation
Загружено: 2025-09-25
Просмотров: 106
What is the Base Cow?
In genetic evaluations, a base is simply the reference group we compare all animals against. Think of it as the “starting line.” Each cow or bull’s genetic merit, or Predicted Transmitting Ability (PTA), is measured relative to this base group.
Over time, the genetic potential of herds improves due to selective breeding. This means that today’s cows are, on average, genetically superior to the older base population of cows. To reflect the genetic improvements made in milk production and fertility in the Irish dairy herd, the base cow against which EBI is measured has been updated as part of the September 2025 evaluation.
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