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CDCB Health Traits

In April 2018, CDCB launched genetic and genomic evaluations for Holstein males and females, for six of the most common and costly health events impacting dairy herds. These new predicted transmitting abilities (PTAs) are presented as percentage points of resistance above or below the breed average. Larger, positive values are favorable.

As of August 2018, the disease resistance traits will be incorporated into Net Merit and related indexes, for Holsteins, through the new sub-index, Health Trait $ (HTH$), which will not be published separately.

These resources are available to help understand 2018 NM$ and the new health traits.

Net Merit $ 2018

CDCB Health Traits 

Photo source: University of Wisconsin-Madison Dairy