Welcome to the World Wide Sires New Zealand Website


World Wide Sires NZ is the most established and successful importer of US dairy genetics into New Zealand. Navigate our site to find out more about WWS and our genetics or learn about our World Wide Mating Service.

Dairy Club
Techinical Notes

Heifer Rearing

Heifer Rearing
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March 2017 Dairy Sire Catalog

March 2017 Dairy Sire Catalog


Click on the Catalog Image to View


Genomics Video

WWS Genomics Video

View the WWS Genomics Video


Check out our new Featured Products Page