Esmaeili, Hossein Ghorani, Mohammadreza Hamidiya, Zeinab Joghataei, Seyed Mehdi Villanueva-Saz, Sergio Lacasta, Delia Causes of abortion in Iranian goat herds and associated risk factors Prev. vet. med. 10.1016/j.prevetmed.2024.106381 2024 2024