In the summer, when they have no fresh water to drink and are forced to drink warm lake-water, they suffer from severe pains in the belly. The belly and the soft underbelly are afflicted by cramp, the genital area aches and the urine is often bloody; this is a sort of colic and lasts one or, very occasionally, two days. They also get it from drinking on an empty stomach and then it is called “hote”.