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Table 21: An analysis of the proportion of calves out of dairy cows that were sired by AI Sires and Stockbulls in 2015. (Pie Chart 2).

 

Table 21 summary

  • Allowing for unknown sires – approximately 40-50% of dairy calves were sired by Dairy AI Sires.
  • Approximately 5-10% were sired by Beef AI Sires.
  • Approximately 30-40% were sired by Dairy Stockbulls and another 10-20% were sired by Beef Stockbulls.
Pie Chart 2: Proportion of calves out of dairy cows that were sired by AI Sires and Stockbulls in 2015.
Limousin Stockbull in the dairy herd of Aidan Russell, Templemore, Co.Tipperary.
Table 22: Calves from the Dairy Herd – Sire Type Trends (2014-2015).
Graph 23: Calves from the Dairy Herd – Sire Type Trends (2014-2015).

40-50% of calves out of dairy cows were sired by Dairy AI Sires in 2015.

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