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Show Flies Diminish the Milk Flow By Annoying Cows Cows seriously annoyed by flies do not give more than 60 per cent as much milk as they would ordinarily. It is to the advantage of farmers and others oth-ers who keep cows to protect them from flies this summer. It can be done quite simply. In the first place, spray each animal with a mixture composed of three parts fish oil and one part kerosene. Apply it with a small spray pump. Secondly, keep the stable and barnyard as free as possible of manure. man-ure. Remove it frequently and use gome simple disinfectant freely about the premises. |