174 SHEEP DISEASES. 



Just how long a period is spent in the liver is 

 as yet undetermined; nor does the sheep owner 

 care. What he wants to know is how to keep the 

 flukes out of his animals entirely. 



Treatment is hopeless. Prevention is the only 

 rational course to pursue. Do not attempt to 

 graze sheep in infected lands. Disinfecting water 

 troughs, if those are used, is a good precaution- 

 ary measure. 



6. Tapeworms. 



Monieza [Taenia] expansa is the largest of all 

 tapeworms. It is the cause of the so-called "tape- 

 worm plague " in lambs. This is a very rapid 

 growing cestode, accounts being on record of a 

 month old lamb containing a thirty-six foot tape- 

 worm in its intestinal tract. 



Monieza [Taenia] alba is a rather short, trans- 

 parent tapeworm. 



Several other varieties of tapeworms are some- 

 times found in sheep, but as they are never dis- 

 covered until after slaughter, little attention need 

 be given them from a practical standpoint. 



Symptoms: The symptoms of tapeworm in- 

 festation are a gradual anemia and lack of thrift 

 on good range. Many cases do not show any 

 symptoms whatever. 



Treatment: This, as T with the foregoing, is 

 largely a matter of prevention. If the ailment 

 can be diagnosed from previous histories of in- 

 fection in the same band, the following should 

 be given: Starve the lamb all day, allowing suf- 



