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2. The equine frozen semen industry;Loomis;Anim Reprod Sci,2001
3. Retrospective study of factors affecting fertility of fresh, cooled and frozen semen;Squires;Equine Vet Educ,2006
4. Effects of timing and placement of cryopreserved semen on fertility of mares;Reger;Equine Vet Educ,2003
5. Effect of insemination dose on pregnancy rate in mares;Katila;Theriogenology,1998