Henk Luten

Spotted eagle ray at Burgers' Zoo
Dec 19 '18 16:10

For the first time ever, researchers successfully put a fish species on contraception. Dutch biologist Max Janse and vet Henk Luten of Burgers' Zoo implanted a straw full of hormones into an extremely fertile eagle ray, after which she stopped producing offspring. Two years later the researchers published their results this week, NOS reports.

Subscribe to