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.
Do not attempt to hold your breath for any longer than this. Once the time is up, exhale to release the used air and take three semi-purge breaths. Follow this with two minutes of deep breathing and a minute and a half of purging. You are now ready to try holding your breath for as long as possible.