crossbred tups
Commercial sheep producers have long seen the benefits of hybrid vigour (heterosis) in cross-bred dam lines but a trend now suggests flockmasters are seeing the benefits cross-bred rams (paternal heterosis). Sales data from Kelso (Border Union Agricultural Society) and the National Sheep Association (NSA) sale at Builth Wells suggests cross-bred tups are becoming more popular. The NSA’s South West sale, in Exeter, allowed cross-bred entries for the first time in 2015 and has seen numbers more than treble from 18 […]