DISEASES OP THE DOMESTIC ANIMALS 825 



Thrombosis. 



Of the Cerebral Arteries. See Apoplexy. ■ 



Of the Anterior Mesenteric Artery. See Colic. 



Of Femoral an'd Axillary Arteries. 



Shown by intermittent lameness and complete paresis, with loss of 

 pulse, m affected limb. Treatment by rest for many weeks and 

 potassium iodide, 249, thrice daily. The clot in femoral artery 

 may be felt per rectum, and massage over it has been recommended, 

 but is liable to cause sudden death by embolus. Swelling of the 

 limb may be combated by bandaging. 



Thrush (In the Mouth). See Stomatitis. 



Thrush in Frog of Horse. 



Keep the feet out of manure and urine by constant cleanliness 

 of stable or by movable leather sole and calks, to prevent moisture 

 from reaching the foot. Remove from wet yard or pasture. Dust 

 calomel and iodoform (equal parts) on the frog and work the 

 powder into cleft of the frog, by means of a probe, and pack with 

 tow on top of it. Application of wood tar and tow and leather 

 soles may be placed over this. If seen in fore feet, without ap- 

 parent cause, or if there is swelling of the limbs and evidence of 

 poor circulation, give a purge, tonics, and regular exercise. 



Ticks. Ixodae. 



Ticks are the means of transmitting Texas fever to cattle (Boo- 

 philus annulatus), and the allied disorders — Australian tick fever 

 and ixodic anemia of cattle — by innoculating the organisms of these 

 diseases through their bites. In sheep, louping 1^1 is likewise com- 

 municated by ticks (Ixodes ricinus or reduvius), which innoculate 

 a special organism by means of their bites. The Ixodes americanus 

 — common in dogs, cattle and man — is the most frequent in the 

 U. S. I. reduvius attacks dogs and cattle, as well as sheep. Ticks 

 should not be torn away from the skin, as their bodies will be 

 severed from their heads and the latter be left in the skin. Unless 

 buried deep in the skin, the application of butter, kerosene, oil of 

 turpentine or benzine will cause the ticks to loose their hold. The 

 whole tick may be removed by cutting them out with scissors, skin 

 and all. Ked or Keb refers to Melophagus ovinus, which is not a 

 tick, but a wingless fly attacking sheep and usually confused with 

 ixodidae. This insect may be removed by baths, as for Scab in 

 Sheep, and their inroads prevented by applications of kerosene. 

 IJaths or dips are also prophylactic in louping ill. 



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