DISEASES OF HORSES 311 



ness all over, loss of control over the hindquarters, some- 

 times falling to the ground, trembling of limbs and body, 

 passing ropy and deep-colored urine under consider- 

 able strain. It is then safe to suspect azoturia, due to 

 a lack of exercise and heavy feeding. 



If the animal's head or neck is swollen to twice the 

 natural size, the eyes almost closed, high fever, no 

 appetite, a tendency to giddiness, sometimes falling, as 

 in a faint, the trouble is likely to be due to a snake 

 bite. 



Colic. Two-thirds of the troubles of horses are due 

 to colic. Veterinarians recognize several kinds of colic: 

 engorgement colic, obstruction colic, wind colic, or bloat, 

 spasmodic colic, and worm colic. To simplify the work 

 of the layman who is called on to doctor a sick horse, I 

 shall reduce these to two heads under which most of the 

 cases will fall. 



The symptoms of engorgement and obstruction colic 

 are to the ordinary stockman much the same and the 

 remedies available about the average home or ranch may 

 be used in each case. The stomach has been over- 

 loaded, the bowels and large intestines are obstructed 

 and the functions of the digestive system at a stand- 

 still. The remedies therefore are similar to those which 

 would be used in the same trouble in the human. Open 

 the bowels get rid of the accumulated mass in the stom- 

 ach and intestines, and relieve the pain. 



Engorgement or Obstruction Colic. Symptoms : The 

 animal shows it is in great pain, although it may be in- 

 termittent in character and at times the animal is ap- 

 parently not suffering. It rolls, bites its sides, lies flat 

 on the side with feet and head extended, looking back 

 at its flanks occasionally as if there was the seat of the 



