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2. Fertility and characteristics of slow-cooled stallion semen;Douglas-Hamilton;J. Reprod. Fertil,1987
3. Untersuchungen zur Flüssigkonservierung von Pferdesperma unter Verwendung verschiedener Kühl- und Transportsysteme — Laborstudie;Hueck;Inaugural-Dissertation,1990
4. Effects of linear cooling rate on motion characteristics of stallion spermatozoa;Kayser;Theriogenology,1992
5. Minimal contamination techniques for breeding mares: techniques and preliminary findings;Kenney,1975