List of Articles Ovsynch Open Access Article Abstract Page Full-Text 1 - Effect of three methods of estrus synchronization: Osynch, Co-Synch and Prostaglandin on the fertility of subfertile dairy cows habib cheraghi khosro Parsaeimehr ali hosseinkhani sadegh alijani hossein daghighkia Open Access Article Abstract Page Full-Text 2 - Timing Ovulation in Ewes Treated with Ovsynch Different Times of PGF2 αInjection during the Breeding Season T.A.M. Ashmawy Open Access Article Abstract Page Full-Text 3 - Effect of Flunixin Meglumine injection on conception rate and plasma progesterone changes in Holstein heifers M. Roostaie , J Yadi سعید Saeed Khalajzadeh Open Access Article Abstract Page Full-Text 4 - Effect of CIDR-based (CIDR-synch) protocol, for timed artificial inseminations, and on the conception rate of dairy cows عبدالرضا Rastegarnia, هیوا Anvari savojbolghi,