Stroke is an abrupt interruption of constant blood flow to the brain that causes loss of neurological function. The interruption of blood flow can be caused by a blockage, leading to the more common ischemic stroke, or by bleeding in the brain, leading to the more deadly hemorrhagic stroke.
Most ducks do not start laying eggs until they are between 9-11 months old. Depending on the breed they can lay year round. A duck will lay an egg a day until they have a clutch, between 8-15 eggs and then the mother will sit on them.
Similarly as with different sorts of poultry, some duck breeds are raised for meat, some for eggs and some to create an equalization of both. Great egg-laying duck breeds can out-lay chickens. The laying season for ducks is as a rule around 35 to 45 weeks in length every year. How often do ducks lay eggs. The runner duck, the Cayuga, the blue Swedish and the buff duck are among the top layer ducks, averaging up to 180 eggs for each year. Poor egg layers, for example, the mallard may lay as few as 60 eggs a year. Some particular assortments, for example, the white layer duck can create almost 300 eggs a year.