"Many herbivorous animals reproduce and proliferate to a degree that can damage the environment that supports them. Sensible harvesting by humane methods may both provide a useful yield and keep the population and its environment healthy.
"Hunting should avoid macho trophy killing of the largest males as these represent the selected genetics, knowledge and learned behaviour that can be passed on to younger animals. For the health and vigour of the herd, young, barely mature males should be culled. These animals yield the tenderest meat and are also the ones most likely to succumb to stress, competition or predation."
- from David Holmgren (2002) Permaculture. Permanent Publications, Hampshire. p101