sorry to hear that rick, need to get rid as soon as mate, paratyphoid looms mate if you dont get rid of the blighters..... and its not nice believe me!! dont wont to scare you or owt...... just get rid, i used the live traps and had 7 in 1 day in them 2 years ago, never have a problem with them now, dont leave any uneaten food and dont use straw for deep litter!!
good luck rick