848 



CYCLOPEDIA OF LIVE STOCK AND COMPLETE STOCK DOCTOR. 



Vn. Emphysema of the Ltrngs. 



there being few signs other than necrative ones. 



This is a condition of the lungs very apt to mislead the inexperienced, 



The milk is noticed to 

 be diminishing, and tlie cow fall- 

 ing off in flesh ; the coat is star- 

 ing and dirty, and hide-bound 

 exists ; the bowels are irregular, 

 and the appetite poor; still, the 

 mouth and nose are cool and 

 moist, and the breath is sweet. 

 The head is carried low ; the back 

 is arched, and tender on pres- 

 sure ; and there is weakness in 

 walking. The temperature falls below the normal standard, and so does 

 the pulse. Later, the ears and extremities become deathly cold, rumination 

 ceases, and an uncontrollable, offensive diarrhoea sets in; the back arches 

 more and more ; the belly is tucked up ; milk entirely stopped, the udder 

 and teats being soft and flabby ; the legs are spread to avoid falling ; the 

 pulse gets smaller and weaker, though not much faster ; the appetite all 

 gone, weakness becomes excessive ; and death follows, after progressive 

 symptoms running over a period of two months or more. 



EMPHYSEMA OF THE LUNGS. 



DEVICE FOR CASTING CATTLE. 



ANOTHER DEVICE FOR CASTING CATTLE. 



The post-mortem reveals ruptured air-cells, and extensive emphysema 

 of the lungs. A^ei-y few blood vessels are found owing to so many having 

 been absorbed when the circulation became so weak as to allow the smaller 

 vessels to collapse and become obliterated. The right ventricle of the 

 heart is weak and thin, and contains a portion of a clot. 



