Zoo gorillas 'face castration so they are easier to keep'

Dozens of young male gorillas in UK and European zoos face being castrated as part of a plan to make them more manageable, reports say.Scientists apparently want them to develop more like "butch" females instead of turning into "silverback" mature males which are very strong and can be aggressive and difficult to look after.As the young males get older they start to challenge their fathers and have to be kept separately or in bachelor groups which can create more problems with how they are manag