400 



THE STOCK OWNER^S ADVISER. 



thotonos, when the muscles of the belly are rigidly contracted; 

 pleurosthotonos, when the head and neck are pnlled around to 

 one side. Either of the three varieties is seldom seen. I think 

 that I can safely say that in as many as two hundred cases I 

 have never yet seen either of the varieties mentioned in a pure 

 case of tetanus. There are two forms of tetanus — traumatic and 



iodiopathic. It is trau- 

 matic when due to an 

 i n j u r y. "When the 

 disease occurs without 

 appreciable cause, it is 

 known as iodiopathic 

 tetanus. Tetanus is 

 most likely to occur as 

 a result of punctural 

 Avounds, and manifests 

 itself about the time 

 the wound is hcaliuc:, 

 or the ninth or tenth 

 day after the injury. 

 It follows castration, 

 and is one of the most 

 fatal diseases of the 

 horse. 



Symptoms. — The condition is easily diagnosed when the dis- 

 ease is well developed. When once seen it will never be forgot- 

 ten. The driver usually finds that the horse drives duller than 

 usual, shows some excitement on being harnessed, walks with the 

 hind limbs farther apart than usual. He pokes his nose out far- 

 ther than natural, and travels in a peculiarly stiff maniaer. These 

 symptoms may be shown for a day or two, when the advanced 

 symptoms of tetanus are seen. The animal stands with legs 

 apart; in other words, props himself with his limbs, similar to a 

 wooden horse. The excitement is greater, the spasms are well 

 marked, and come on more frequently. The head is poked out 



Fig. 120— Lockiaw— First Stages. 



