Data that is collected across the country is collated to deliver quality genetic estimations for dairy sires and cows.
View the sections below to learn how to get the most value out of the Animal Evaluation system.
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All About BW
Breeding Worth (BW) is the index used to rank cows and bulls based on how efficiently they convert feed into profit.
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Breeding Values
Breeding Values (BV) are an estimate of a cow or bull's genetic merit for a trait.
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Economic Values
Economic values (EVs) are an estimate of the value of a trait to a NZ dairy farmer.
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Genetic Base Cow
BW and BV are presented as the difference between an animal’s genetic merit and the ‘genetic base cow’.
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Reliability
For all traits, reliability indicates the confidence that an animal’s BW or individual breeding values are a measure of their true merit.
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International dairy sires
Breeding values for international dairy sires are generated by Interbull, an international genetic evaluation organisation.
