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Table 5 Mean ages and genetic trends of ewes, rams and adjusted lambs born for each subpopulation

From: Genetic and economic benefits of foreign sire contributions to a domestic sheep industry; including an Ireland-New Zealand case study

  Subpopulations
CON PRO PROFOR FOR COM
Mean age (years of age)
 Ewes 3.54 3.97 3.97 3.97 3.49
 Rams 2.61 2.51 2.51 1.00 2.76
Genetic trenda (€ per year)
 Ewes 0 1.50 1.50 0.72 0.05
 Rams 0 0.95 0.95 0.95 0.04
 Adjusted lambs born 0 3.96 3.96 2.38 0.14
  1. CON conservative breeders, PRO progressive breeders, PROFOR progressive foreign breeders, FOR foreign breeders, COM commercial farmers
  2. aGenetic trend of the Irish €uro-star Replacement Index after adjustment for the age profile of each subpopulation (source: Sheep Ireland)