Total results 14
Total results 14
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Breeding WorthBreeding Worth (BW) is an index that ranks cows and bulls on their ability to breed profitable, efficient replacements. This page explains how BW is used to create herds resilient to changes and disease, therefore increasing farm profits.
Animal•15 min read
Breeding Worth
Breeding Worth (BW) is an index that ranks cows and bulls on their ability to breed profitable, efficient replacements. This page explains how BW is used to create herds resilient to changes and disease, therefore increasing farm profits.
Animal•15 min read
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Breeding ValuesA breeding value is an estimate of an animal's genetic merit for a particular trait. Using breeding values to select cows and bulls to be the parents of the next generation is the most effective way to achieve genetic improvement.
Animal•8 min read
Breeding Values
A breeding value is an estimate of an animal's genetic merit for a particular trait. Using breeding values to select cows and bulls to be the parents of the next generation is the most effective way to achieve genetic improvement.
Animal•8 min read
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Economic ValuesEconomic Values (EV's) are an estimate of the dollar value to a NZ dairy farmer of a unit change in each trait. Ten traits have been identified as having a measurable economic value to NZ farmers.
Animal•6 min read
Economic Values
Economic Values (EV's) are an estimate of the dollar value to a NZ dairy farmer of a unit change in each trait. Ten traits have been identified as having a measurable economic value to NZ farmers.
Animal•6 min read
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GenomicsGenomics is the use of DNA to predict the future potential and profitability of dairy animals.
Animal•2 min read
Genomics
Genomics is the use of DNA to predict the future potential and profitability of dairy animals.
Animal•2 min read
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Related tools and resources
Breeding decisions made easy A brief guide to Breeding Worth, Breeding Values, Production Worth and Lactation Worth.Resources
Breeding decisions
Bull Search Search for an individual bull or set criteria to produce a list of bulls to suit your requirements.Tools & Apps
Breeding decisions
Bull Team Simply use the RAS list or search below to add bulls. This page will update with your new selections.Tools & Apps
Breeding decisions
Ranking of Active Sires The RAS list is published by NZAEL, an independent animal evaluation body working alongside breeding companies for greater genetic gains.Tools & Apps
Breeding decisions
Breeding Worth Tool The Breeding Worth Tool shows the effect that economic values have on the overall breeding worth of a bull.Tools & Apps
Breeding decisions
Animal Herd Averages Breeding Worth (BW), Production Worth (PW) and trait Breeding Values are available to help farmers make breeding, culling and purchasing decisions.Tools & Apps
Breeding decisions
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Genetic Trends in the National HerdThe page tracks genetic trends in the national herd, noting improvements in economically important traits.
Animal•2 min read
Genetic Trends in the National Herd
The page tracks genetic trends in the national herd, noting improvements in economically important traits.
Animal•2 min read
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Herd management groupsRecording which cows are managed together in herd management groups ensures cows are compared with cows managed under the same conditions. This gives more accurate information for breeding, culling, feeding and long-term herd improvement decisions.
Animal•2 min read
Herd management groups
Recording which cows are managed together in herd management groups ensures cows are compared with cows managed under the same conditions. This gives more accurate information for breeding, culling, feeding and long-term herd improvement decisions.
Animal•2 min read
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Measuring Breeding Worth PerformanceCow performance measurement lets you identify the most and least productive cows in your herd.
Animal•2 min read
Measuring Breeding Worth Performance
Cow performance measurement lets you identify the most and least productive cows in your herd.
Animal•2 min read
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Recording ParentageEffective cow data recording and performance measurement on your farm can make the difference in breeding decisions.
Animal•2 min read
Recording Parentage
Effective cow data recording and performance measurement on your farm can make the difference in breeding decisions.
Animal•2 min read
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InbreedingInbreeding in cattle is when an animal's DNA is identical because it comes from a common ancestor on both parents' sides. This page explains how inbreeding coefficients estimate the expected degree of inbreeding, but these aren't always precise.
Animal•3 min read
Inbreeding
Inbreeding in cattle is when an animal's DNA is identical because it comes from a common ancestor on both parents' sides. This page explains how inbreeding coefficients estimate the expected degree of inbreeding, but these aren't always precise.
Animal•3 min read
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Genetic Base CowThis page covers the concept of a base cow. Breeding Worth (BW) and Breeding Values (BV) are presented as the difference between an animal’s genetic merit and the average genetic merit of the 'base cows’.
Animal•8 min read
Genetic Base Cow
This page covers the concept of a base cow. Breeding Worth (BW) and Breeding Values (BV) are presented as the difference between an animal’s genetic merit and the average genetic merit of the 'base cows’.
Animal•8 min read
