Heifer Rearing Background Facts

Average total cost of heifer to point of calving - £1,160
This represents a cost of 3ppl on all milk produced by the herd (see table below)
22% of heifer calves born as replacements never enter the herd
Average age at calving is 2 years 5 months

18% of first calving heifers fail to reach the second lactation

Calving age	2 years	2 years 5 months (NI avg)	2 years 10 months
Replacement costs(heifer costs-cull cow)	£600	£850	£1,100
Lifetime yield
20,000 litres	3.0	4.3	5.5
25,000 litres (est. NI average)	2.4	3.4	4.4
30,000 litres	2.0	2.8	3.7

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