FLOCK HUSBANDRY IN WESTERN STATES 221 



fairly abundant and there is shade of trees or 

 rocks. 



As evening approaches he gathers them together 

 and follows them to their bed ground again and 

 thus has closed the labor of the day. The work is 

 not usually laborious but it calls for faithfulness 

 and considerable patience, and to be a really first- 

 class "sheep herder" requires a deep insight into 

 the ways of sheep and of all wild Nature as well. 



DISEASES OF THE RANGE. 



Sheep in this region are healthy except for two 

 principal troubles : scab, which was once almost uni- 

 versal, and stomach worms, or "lombriz," which are 

 occasionally destructive to lambs. Scab is very diffi- 

 cult to eradicate on ranches where corrals are used 

 continuously and where flocks stray about and cross 

 each other's paths, and especially if they alternately 

 use certain corrals. Of recent years, however, many 

 herds have been made completely clean of scab and 

 there is hope that all may be rid of it in the near 

 future. 



That scab is not a necessary adjunct of range 

 sheep the writer has amply proved, having com- 

 pletely eradicated it from his own herds when en- 

 gaged in ranching in Utah. 



Stomach worms (Haemonchus contortus) infect 

 flocks that drink from shallow pools where to avoid 

 the filth the sheep and lambs wade out till the 

 water comes to their bellies, depositing there more 

 germs of whatever parasite they may harbor. There 



