INSECTS HARMFUL TO LIVE STOCK. 223 



A farmer told the writer that by mopping over 

 his cattle once a fortnight, when the fly was about, 

 with a certain prepared smear his cattle were not 

 attacked. 



If you smear over the hole, which is about the 

 size of a pin hole, that the maggot has made to 

 enter the body, with any kind of grease, it pre- 

 vents the air getting to the maggot, and so kills 

 it ; but mercurial ointment is the best remedy, 

 for it not only kills the maggot, but dries it up. 



There are three principal diseases that attack 

 sheep, and they are all three the work of an 

 insect or parasite. 



Foot Rot, which drives the animal lame, is 

 caused by a parasite that lives in the feet. The 

 remedy is to cut away the diseased part, and 

 then dress it with a lotion. 



Scab. A terrible disease, which is caused 

 by an invisible parasite living under the skin. 

 The remedy is to cut away the wool from 

 the scabby part and dip the infected animal 

 several times in a poisonous preparation called 

 a Dip. 



The Fly. In the warm and humid weather a 

 fry lays its eggs in the wool of a sheep, mag- 

 gots hatch out from the eggs and then begin 

 eating their way into the body of the animal. 

 If the work of the parasite is not checked by 

 shearing, washing, and smearing, the animal 



