PARASITIC DISEASES. 



159 



to settle, with a bung-hole four or five inches 

 from the bottom. If the sediment be mixed up in 

 the dip it will injure the wool, or may harm the 

 eyes of the sheep. 



When ready to dip, draw off this clear liquid 

 from the settling barrel into the dipping vat, 

 and add 70 gallons of water, warmed so that the 



LKGKXD Characteristic scab lesion in early stages of disease. 



U. S. Dopt. Agr. Hul. 713. 



whole mixture is about 100 to 10o degrees Fah- 

 renheit, or in warm climates, several degrees 

 higher. 



The size of the dipping vat should depend upon 

 the number of sheep to be dipped and as minute 

 directions for the whole operation are given in 

 government regulations, this phase of the subject 

 need not be taken up in detail here. 



In dipping sheep each one is ducked "head 

 under" once, and kept in the solution for at 

 least two minutes. 



