The regulation of seasonal reproduction in sheep is intricately linked to the actions of melatonin, a hormone whose secretion varies with the photoperiod. Central to this process are the melatonin ...

Researchers from the University of Sheffield, as part of an international team, have discovered the secret of why dark sheep on a remote Scottish Island are mysteriously declining, seemingly ...

High temperatures during critical periods of the reproductive cycle of sheep result in 2.1 million fewer lambs produced in Australia each year, costing sheep farmers an estimated $97 million annually.