162 DISEASES OP THE EESPIEATOKY ORGANS. 



feeders: so it shotild be guarded against by not unduly exposing 

 the flock in tlie fall and winter to severe storms or grazing them 

 on damp unsuitable pastures. Eandall says: "I early found 

 that depletion in catarrh in our severe winter months rapidly pro- 

 duced that fatal prostration from which it is next to impossible 

 to recover the sheep — entirely impossible without bestowing an 

 amount of time and care on it costing far more than the price of 

 an ordinary sheep. The next course is to preA'ent the disease 

 by judicious precautions." 



Son Ilbroat, Lar)mgtti3. 



This is inflammation of the mucous membi'ane lining the 

 larynx — the cartilaginous box situated at the superior extremity 

 of the windpipe or trachea. We find in acute cases the swelling- 

 is oedematous (spongy), the blood-vessels of the throat becoming- 

 engorged with blood, while gangrenous patches may form on the 

 mucous membrane which may extend over the whole of the 

 throat, causing dij)htheritic sore throat. 



Sj^mptorns. 



Some fever, indicated by rapid respirations, the head 

 projected in as straight a line as possible, the mouth is held open, 

 a frequent painful dry cough is present, the sheep evidences diffi- 

 culty in swallowing, especially liquids, which return through the 

 nostrils, the eyes protrude more or less, and saliva forms in the 

 mouth, which dribbles from it in the animal's repeated efforts at 

 swallowing. 



treatment. 



Apply the following stimulating liniment to the throat once 

 or twice daily for two or three days, rubbing it well in: 



Take. Oil of turpentine 1 oiince 



Strong aqua ammonia 1 ounce 



Linseed oil 6 ounces 



Mix, shake well before using. 



