Antioxidant, artificial insemination, CoQ10, semen cryopreservation
PRP, PPP, ram, semen extender
testes, heat stress, Gene expression, Steroidogenesis, Blood-testis barrier
heat stress, sperm quality, epididymis, testicular weight, tubules
Biotechnology, LOPU, Sheep, Progesterone, Ultrasound
semen collection, pain, welfare, creatine kinase, cortisol