Cats could be wildlife destroying machine In the journal Nature Communications. They found that free-ranging cats killed between 1.4–3.7 billion birds and 6.9–20.7 billion mammals annually in the United States. That research has been widely publicized by birders, and widely ignored by everyone else. SOME Researchers suggest that cats kill the majority of birds. A simple way to save the local fauna is to keep your cat at home, or on a leash.
Sudan shouldn't let its cats population grow. it is a danger for our kids, health and agriculture.
Cats can also be a source of diseases for human beings.
Diseases that cats spread to humans fall into two main groups, namely parasitic infestations and bacterial or viral infections.
There are very few diseases that can spread from cats to humans.
The only two that have potentially serious/fatal consequences to normally healthy people are toxoplasmosis and rabies.
Cat faeces can be the source of many infections and should not be handled without gloves. Washing of hands after handling faeces is essential.
All bite and scratch marks should be washed immediately with hot water and disinfectant or soap.
see more on : http://www.health24.com/Medical/Diseases/Diseases-from-cats-Client-20120721