1. Sperm production rates;Amann,1970
2. Effect of volume of semen, number of sperm and drugs on transport of sperm in artificially inseminated gilts;Baker;J. Anim. Sci.,1968
3. First polar body formation and ovulation in gilts;Baker;J. Anim. Sci.,1969
4. Effect of sperm numbers and ejaculate volume on conception rate and litter size of sows;Baranov;Zhivotnovodstvo,1971
5. Temperature and seasonal influences;Blackshaw,1977