– Chickens:– Scientists report that mosquitoes stay clear of most birds. In Ethiopia, researchers conducted a study using live chickens, humans, and mosquitoes. They found that the scent chickens give off kept the humans participants from getting bitten by mosquitoes. Scientists are working on extracting certain chicken compounds to formulate a repellent, to stop the spread of disease. In the meantime, if you have chickens, allowing them to free range outdoors not only increases the amount of vitamin D in the eggs they lay but may keep you from getting mosquito bites.