Some other diseases Bos taurus experience are East Coast Fever (ECF) which is an acute, tick-borne disease causing high rates of morbidity and mortality in cattle, and Anaplasmosis which is a vector-borne, infectious blood disease.
To put it in perspective for a friend, see how high you can count during that time. Believe it or not, there actually have been people who have held their breath for even longer than 11 minutes, though. The Guinness Book of World Records has a special category for holding your breath underwater.
RUMOR CONTROL - You have to learn to how to hold your breath for 4-5 minutes at BUDS. FALSE. NO - you do not have to hold your breath for long periods of time. During the 50m swim, if you can learn how to swim efficiently, you will find that your breath hold time is under a minute for that distance.