Genetic Trend Graphs - What Do They Mean?

Trend Graphs show the change in average genetic merit of a flock over time.

Important points

Genetic trend graphs give a quick guide to the rate of genetic improvement - if any.

General trends should be consistently positive.

It is normal for occasional years to "wobble".

Graphs show genetic value - management and environment effects are removed

Buy rams from a recorded flock showing improved genetic merit and you buy permanent and cumulative genetic improvement.

Over time the genetic merit of your flock will change at the same rate as the genetic merit of your ram Supplier.

If your ram supplier is not making genetic gain then neither will you.