1. Effects of sexual preparation on sperm output, sperm characteristics and sexual activity of beef bulls with a comparison to dairy bulls;Almquist;Journal of Animal Science,1973
2. Effect of long term ejaculation at high frequencies on output of sperm, sexual behavior, and fertility of Holstein bulls; relation of reproductive capacity to high nutrient allowance;Almquist;Journal of Dairy Science,1982
3. Reproductive capacity of dairy bulls. II. Gonadal and extra-gonadal sperm reserves as determined by direct counts and depletion trials; dimensions and weight of genitalia;Almquist;Journal of Animal Science,1961
4. Reproductive capacity of dairy bulls. XI. Puberal characteristics and postpuberal changes in production of semen and sexual activity of Holstein bulls ejaculated frequently;Almquist;Journal of Dairy Science,1976
5. Almquist JO and Hale EB 1956. An approach to the measurement of sexual behavior and semen production of dairy bulls. Proceedings, 3rd International Congress on Animal Reproduction, Plenary Papers, Cambridge, England, pp. 50–59.