title: Evaluating spermatogenesis using semen: the biology of emission tells why reporting total sperm per sample is important, and why reporting only number of sperm per milliliter is irrational.
authors.affiliation: Animal Reproduction and Biotechnology LaboratoryColorado State University Fort Collins, Colorado, USA.
authors.forename: Rupert P
authors.initials: RP
authors.lastname: Amann
mesh_terms: D004542:Ejaculation; D006801:Humans; D008297:Male; D012661:Semen / Q000166:cytology*; D012746:Sexual Abstinence; D013076:Sperm Count; D013091:Spermatogenesis / Q000502:physiology*; D013737:Testis / Q000502:physiology; D013997:Time Factors