Egg fertility among vasectomized and non-vasectomized male resident Canada geese at the Wildlife Conservation Park/Bronx Zoo

Abstract 10.1002/(SICI)1098-2361(2000)19:13.3.CO;2-2 In 1991, a vasectomy program was initiated at the Wildlife Conservation Park/Bronx Zoo to minimize the population growth of resident Canada geese (Branta canadensis). Sixty-nine males were vasectomized over a 6-year period. From 1994 to 1998, egg fertility was examined in females paired with vasectomized and non-vasectomized geese. Of the 340 eggs laid […]