Johnson, M S Fertility of bull semen packaged in .25- and .5-milliliter french straws. [electronic resource] - Journal of animal science Jul 1995 - 1914-9 p. digital Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't ISSN: 0021-8812 Standard No.: 10.2527/1995.7371914x doi Subjects--Topical Terms: AnimalsCattle--bloodCryopreservation--methodsFemaleFertility--physiologyFertilization--physiologyInsemination, Artificial--methodsMaleProgesterone--bloodRadioimmunoassay--veterinarySemen--physiologySemen Preservation--methodsSpermatozoa--physiology