Mike Kerby

Veterinary surgeon, Synergy Farm Health, West Hill Barn, Dorchester, DT2 - 0LD

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Figure 1. Heifers at grass during breeding season.
Cattle

The use of fixed time artificial insemination programmes for the use of sexed semen in block calving dairy heifers

The minimum requirement for success of any synchronisation programme is (Carvalho et al, 2018):.