D'Alessandro, A G Evaluation of seasonal variations of semen freezability in Leccese ram. [electronic resource] - Animal reproduction science Nov 2003 - 93-102 p. digital Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0378-4320 Standard No.: 10.1016/s0378-4320(03)00113-1 doi Subjects--Topical Terms: Acrosome--ultrastructureAnimalsBreedingCell SurvivalCryopreservation--methodsInsemination, Artificial--veterinaryMaleSeasonsSemen Preservation--veterinarySheepSperm CountSperm MotilitySpermatozoa--abnormalities