110 SHEEP FARMING IN AMERICA 



there should be a large pen to hold the sheep and a 

 small one close to the tank for a catching pen. Just 

 at the end of the tank there may be an incline about 

 3 feet long covered with smooth sheet metal, and 

 this may be greased so that when a sheep steps on 

 it or is lifted upon it, it will easily slide down into 

 the plunge. 



A force of five men, two of whom keep the dip 

 mixed and replenished, and three of whom put in 

 and take out sheep, will readily dip 100 in an hour, 

 though if they have their fleeces on they should 

 drain for a longer time than would make this prac- 

 ticable. It is not often necessary to assist the sheep 

 to climb out, but there should be one man ready and 

 watching with care to see that all are fully sub- 

 merged and not stay in too long. The writer has 

 never seen pregnant ewes abort their lambs after 

 careful dipping, and has frequently dipped 500 

 without killing or injuring one. 



The cheapest tank is made of galvanized iron. 

 The best is made of concrete, which will endure for- 

 ever if rightly made. 



SUMMAKY OF DIPPING. 



Dip every sheep when it comes to the farm as 

 soon as it is rested, especially with care when it 

 may have come by rail. 



When scab infection is suspected, but none is vis- 

 ible, dip once by simple and complete immersion in 

 a dip hot and strong enough. 



When scab is already in evidence let the affected 



