182 SHEEP DISEASES. 



Treatment: Iron in large quantities; raw eggs; 

 mucilaginous drenches; milk and sulphur. 



Postmortem appearances: Inflammation of the 

 intestinal tract is usually present. In chronic 

 light attacks calcareous deposits occur in the 

 kidneys, 



7. Zinc Poisoning. 



This usually occurs in the chronic form. 



Symptoms: Colic; diarrhea; weakness, and gen- 

 eral paralysis. 



Treatment: Tannic acid in dram doses; sul- 

 phur; raw eggs; sugar in water; gums; potassium 

 permanganate. 



Postmortem appearances: Paleness and ulcers 

 of the intestinal tract. 



8. Mercurial Poisoning. 



This is comparatively rare in sheep, although 

 occasionally a sheep herder grows careless and 

 leaves blue ointment lying around so that a lamb 

 or two becomes poisoned. 



Symptoms: Salivation; bloody diarrhea; ec- 

 zema; paralysis, and death from general weak- 

 ness. 



Treatment: Sulphur; iron sulphate; raw eggs. 



Postmortem appearances: Signs of inflamma- 

 tion in the bowels, with the liver enlarged, are 

 two symptoms that may help one to arrive at a 

 definite diagnosis. 



