Cosynch is a management practice on dairies where GnRH treatments and artificial insemination are performed simultaneously. While labor-saving, Paul M. Fricke PhD, reviews the importance of timing in what is termed the ovsynch 56 protocol. In summary, the science does not support the cosynch approach.
Source: Hoard’s Dairyman, June 2, 2025. Link.
INSIGHTS: Articles like this provide animal health pros good reasons to have discussions with producers about timing as part of artificial insemination protocols.
Image: Link.
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