318 THE DISEASES OF SHEEP. 



TETANUS (LOCK-JAW), 



Is about the same in sheep as in horses and cattle, and 

 should be treated the same. The animal may die in twelve 

 hours. Exposure to cold, especially after shearing, is con- 

 ducive of the disease. 



Keep warm and quiet. Give gruel, to which add a little 

 gin. Castor oil or Epsom salt ; repeated if necessary. (See 

 pages 53 and 234.) 



RABIES 



Kills sheep in from three to seven weeks. It develops 

 itself in from two to four weeks after the bite, but it 

 may remain dormant till the eleventh week. The sheep 

 gradually grow sick. Sometimes they die of paralysis, at 



Fig. 156. Rabies. 



other times of convulsions. They have great thirst, but 

 no fear of water ; become furious and fight among them- 

 selves, but do not bite mankind. (See page 50.) 



SHEEP BOT-FLIES 



Are a little larger than ordinary house-flies. They are 

 of an ashy gray color. They deposit their eggs in the 

 nostrils of sheep during July and August, where, if not 

 expelled, they remain till spring. Being then full-grown, 



