JAIPUR: It's not just milk, cow urine , too, is bringing in a revenue stream for dairy farmers in Rajasthan now. He says his earnings has increased by at least 30% after he started selling cow urine, apart from milk. People use cow urine for medicinal purposes and also in rituals.Gujjar's change in fortune comes with a price, though. They sprinkle cow urine on crops to prevent from insect attacks," says Meena. Cow urine is used as an alternative to pesticides by organic farmers..