Diseases of the Digestive Organs. 



263 



digestion impaired, breathing deep and excited, condition 

 poor and getting worse, hair dry, rough, erect and often 

 shedding, and swellings appear along the lower part oi 

 the body into the hmbs and chest. 



Treatment. Find out and remove if possible the true 

 primary cause. "When that has ceased to act employ 

 purgatives, but especially diuretics (digitalis, oil of tur- 

 pentiac, iodide of potassium, squills, colchicum, nitre, etc.,) 

 in as full doses as the strength will permit, with tonics 

 (sulphate of iron, gentian, nux vomica,) and apply tinct- 

 ure of iodine over the abdomen. The hquid may be dra-\vn 

 off with a fine cannula and trocar, one-half only being 

 extracted at a time, and the flaccid walls at once sup 

 ported by a tight bandage encircling the body. 



GASTKIC AND INTESTINAI, PARASITES. 



Laeva of Insects. — Bots. These are the larva of foiu 

 ilifferent species of gadfly that pester horses in summer 



Fig. 20. Fig. 22. 



Fig. 20— Bot-fly. CEstrus Equi. 



Fig. 21. 



Larva of CEstrus. 



Rg 22 — Bots hooked on the mucoua 

 membrane of the stomach. 



Fig. 21— Bot, 



and autumn, gluing their little white ovoid eggs on the 

 long hairs beneath the jaws, on the breast, shoulders and 

 fore limbs on which the empty shells may be carried 

 tlirough the winter. When the horse licks himself the live 

 smbiyo is extracted fi-om the egg and swallowed or in the 



