Quarantine In situ (QIS)

Special exemption from campus-wide fur mite treatment; animals remain housed in their fixed locations through campus-wide fur mite treatment and are subjected to specific testing requirements to prevent re-infestation of campus. Details are provided below. 

Table 1: Fur Mite Species Differences

   Fur Mite Species   

   Life Cycle   

   Morphology   

   Species Infected   

   Myocoptes musculinus   

   14 days   

   3rd and 4th legs heavily chitinized;   
   Eggs occupy ½ of abdomen   

   Mice   

   Myobia musculi   

   21-23 days   

   Single claw on 2nd digit   

   Mice and Rat   

   Radfordia affinis   

   Similar M. musculi   

   Two claws on 2nd digit (unequal length)   

   Mice and Rat   

   Radfordia ensifera   

   Similar M. musculi   

   Two claws on 2nd digit (equal length)   

   Rat   

Table 2: Treatment Summary

   Treatment Drug   

   Dose   

   Schedule   

   Cage Labeling   

   Ivermectin Chow   

   12ppm ad lib   

   Continuously for 8 weeks   

   None   

   Ivermectin Water   

   12ppm ad lib   
   0.28cc / 8oz of water   
   1.2cc / L of water   

   Continuously for 8 weeks   

   Yellow acetate with green label   
   indicating ivermectin water   

   Moxidectin (topical)   

   Mouse - 3Dl   
   Rat - 10Dl   

   Application on days 1 and 10   

   Yellow acetate with green label   
   for recording 2 treatment dates   

   MiteArrest   

   Cotton balls per animal:   
   Mouse - 2   
   Rat - 5   

   8 weeks with weekly change   

   Yellow acetate with green label   
   for recording 8 placement dates