18 



External and 



PART 



EXTERNAL AND 



Note for guidance. — When a horse is ill, but the nature of his 

 complaint is not known, search the column headed Symptoms 

 until those pertaining to the case are recognized. Then the name 



Disease and probaUe cause. 



Symptoms, 



SKIN- 

 HIDE BOUND, from bad 

 keep or deranged stomach, 

 or result of long illness. 



SURFEIT or SCAB, from 

 bad keep, chill or foul feed- 

 ing. 



PRURIGO, from exposure to 

 sun and rain. Common in 

 hot season. 



RINGWORM, from heat of 

 weather, or constitutional. 



MANGE and LICE, from 

 filth or contagion and ticks. 



Note. — As this is highly con- 

 tagious, the horse must be 

 at once isolated from others, 

 his clothing be boiled, and 

 all his gear and stable- 

 fittings disinfected with 

 carbolic acid or chloride of 

 lime. 



Skin firm and 

 on body. 



immovable 



Coat stares ; skin is itchy, 

 with pimples or scabs 

 on it. 



Skin itchy, but not dry and 

 scabby. Hair comes off in 

 patches. 



Round patches, each 1 to 2 

 inches wide, of eruption, 

 with much debility. 



Skin thick, wrinkled, rough, 

 and scabby; hair comes off 

 freely. Horse constantly 

 rubbing against wall or 

 bars, and scratching with 

 hind leg. Temper irritable. 



