SHOULD UN agencies and African governments spend billions of dollars in an ambitious attempt to eradicate the tsetse flies that are the scourge of the continent’s cattle? Or would the money be better spent on simple measures that can protect a farmer’s cattle for only $30 dollars a year?
Last week the UN Food and Agriculture Organization and other bodies at the World Food Summit in Rome endorsed the current plan to eliminate the tsetse fly from the continent by flooding infested areas with sterilised male insects (Â鶹´«Ã½, 23 February, p 23). But many livestock and insect experts…
