Baboon vasectomy has never been practiced on a large scale in other parts of the world.  Wakuluzu Trust is one of the pioneers to exercise vasectomy as a measure for population control. Records from observations made in the field show that baboons in Diani have a higher reproductive success as compared to their biogeographically proximate conspecifics in the wild. Intensive studies into their foraging behaviour have been conducted with the auspices of students from local and foreign universities.

Results have indicated that the food resources have been artificially supplemented with highly nutritious human kitchen waste. Further studies have shown that garbage disposal is done inappropriately resulting in easy access to this food. In spite of non qualitative analyses of garbage items for calorie values a general consensus has agreed that kitchen waste is more calorie rich as compared to wild foods.

Further extrapolation indicate that baboons are hence reproductively more successful as a result of quality forage, moreso their behavioural patterns indicate strong dependence on humans and human habitations as they spend most of the time within conflict zones.

Methods:

• Baboons were studied before trapping (pre-vasectomy) and information collected on time spent by cohort partners. Data was gathered on both males and females associating with the focal individuals and was mainly by observational means using binoculars. Observations started at 0630 hrs and ended at 1730 hrs.
• Individuals were identified for vasectomy based on dominance starting with the most dominant.  Baboons were trapped in the cage designed by the Colobus Trust and the traps were manually operated.
• Fruits were used as bait and were given at the core feeding area. (Safari beach dumping site).
• Baboons were vasectomised on the same day and released after 24 hours.
• Baboons were monitored after cohortion data collected.
• Post vasectomy studies continued on each subject for 12 months.

Results:

14 baboons were vasectomised and then released back into their troops. This was out of a population of 157 baboons and a substantial total population of adult male baboons as baboon troops often operate as multi-male, multi-female groups. The results of the two-year vasectomy program indicate that with the population dynamics at play in Diani, vasectomy is not an effective short-term population control. Similarly, after monitoring for around one month, the Trust's critical evaluation of the result show that vasectomy is the most acceptable population check in the long run.