A growing number of cattle breeders are using in vitro fertilisation (IVF) to maximise pregnancy rates. This is the process of harvesting oocytes from donor cows, and creating embryos by fertilising the oocytes with semen in a petri dish. The embryo is then implanted into a recipient (otherwise known as surrogate cow), or they can be frozen indefinitely.  See also: Embryo transfer ‘a faster way to boost beef herd genetics’ Cumbria-based Paragon Veterinary Group has seen embryo production increase at least six-fold in the since […]