6X milking: No impact on reproduction

Frequent-milking in early lactation doesn’t always increase milk production. (Please see “What’s new with 4X/6X milking?” on page 32 of the January issue.) It also may not affect reproduction.

A University of Arizona study published in the November 2005 Journal of Dairy Science shows no difference in reproductive performance between cows milked 6X for 21 days and their 3X herdmates. The table below shows some of the study’s findings:

Source: November 2005 Journal of Dairy Science

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