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Reliability of genetic indices explained. What and Why

Published 20 August 09

Reliability of genetic indices explained What and Why?

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Reliability indicates how reliable, or accurate, an estimate of genetic merit is, and is published as a percentage in the general range 20% up to 99%.

Thiss fact sheet gives some of the background to the technology and helps to provide some answers, such as:

• How reliable are genetic indexes?
• Why the need for a reliability figure?
• What about herd and daughter numbers?
• What else affects the reliability?
• Confidence vs. Reliability
• What about using a team of bulls?