By L.R.R. Costa, MV, MS, DACVIM Identifying the Signs of Impending Parturition The normal gestation period of mares varies from 320 to 360 days. As
By L.R.R. Costa, MV, MS, DACVIM Identifying the Signs of Impending Parturition The normal gestation period of mares varies from 320 to 360 days. As