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No 4. Sheep Performance Recording in New Zealand. History – Group Breeding Schemes

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By Dr Clive Dalton  Identifying top ewes in large populations – Group Breeding Schemes    The larger the population – the greater the scope for selection  Things really started to develop as interest grew in recording commercial ewes with Sheeplan, and practical ways of doing this got smarter.  It became obvious that there was a … Read more

Sheep breeding in New Zealand. The search for improved fertility

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Sheep as land developers Up to the 1960s, New Zealand sheep played a vital tool in converting native bush to productive pasture, so performance levels and especially fertility were not considered major issues.  The national ‘lambing percentage (number of lambs docked/100 ewes to the ram) was around 90%, and if a farmer got 100% then … Read more