title: Objective measurement of sperm motility.
mesh_terms: D000818:Animals; D002465:Cell Movement; D002645:Chickens / Q000502:physiology*; D005260:Female; D005298:Fertility; D007315:Insemination, Artificial; D008297:Male; D008722:Methods; D013053:Spectrophotometry; D013094:Spermatozoa; D013997:Time Factors