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Suggested Minimum Spermiogram Values for Breeding Boars

Suggested Minimum Spermiogram Values for Breeding Boars

Parameter

Natural Service

Artificial Insemination

Color

Opaque to white (vulvar discharge)

Opaque to white

Total sperm numbers

>35 × 109 sperm/ejaculate

>35 × 109 sperm/ejaculate

Gross motility (raw)

>60%

>70%

Abnormal morphology (including cytoplasmic droplets)

<25%

<20%–25%

Cytoplasmic droplets (both proximal and distal)

<15%

<15%–20%

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Merck & Co., Inc., Kenilworth, NJ, USA is a global healthcare leader working to help the world be well. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world.  The Merck Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Manual outside of North America.

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