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Keeping Sleeping Sickness at Bay

If you own cows in Africa, chances are you have problems. Take Pius Mwongela Nzomo, a farmer in Shimba Hills, a verdant landscape near Kenya's southern coast. "You don't get a maximum return from the cattle you are keeping," he says. "If you are milking, you don't get a lot of milk. Personally, I've lost around three cattle."

ByAri DanielNova