INDEX OF DISEASES AND REMEDIES 785 



PHTHIRIASIS. See. LICE. 



PILES. 



Haemorrhoids. Swelling inside or around the anus, consisting of 



dilated or varicose veins . Occur in dogs. 

 Remove hardened faeces by enema ; cooling digestible diet ; oily aperients 



if needful. Glauber's salt in small doses continued for ten days. 

 Gall and opium ointment or zinc benzoate ointment. 

 In persistent cases remove by ligature, clamp, cautery, or knife. 



PIROPLASMOSIS. RED-WATER. TEXAS FEVER. H^EMOGLOBINURIA or CATTLE. 

 An infective haemoglobinaemia produced in cattle, sheep, dogs, and 

 occasionally in horses, by the action of hsematozoa (piroplasmata), 

 which destroy the red corpuscles of the blood, reducing them to 

 one-third or one-fourth of their normal number, their colouring 

 matters being excreted in the urine. The piroplasmata are trans- 

 mitted from infected to healthy animals by various ticks. 

 Salines and oils remedy the earlier constipation. 

 Subcutaneous injections of sterilised salt-solution. 

 Intravenous injection of one per cent, solution of formalin, or colloid 



silver ; atoxyl, trypanblue. 

 Hypodermic injection of five per cent, solution arrhenal recommended 



by Lignieres. 



Antiseptics, antipyretics, and tonics. 



Prevention consists in inoculation, destroying ticks by spraying, 

 smearing, or dipping, and in keeping cattle off tick-infested pastures. 



PLETHORA. 



Defined as a superfluity or hypertrophy of blood. Although not a 



disease it occasionally predisposes to disease. 



Remedied by regulating diet, reducing its quantity or nutritive quality. 

 In horses that, in stable language, are 'gross,' give half dose physic, 



followed by salines in drinking water. 

 Reduce amount of corn, especially of beans. 

 Substitute a little green food for part of hay. 

 Secure sufficient exercise or work. 



PLEURISY. 



Inflammation of serous covering of lungs and lining of chest. Caused 

 by bacteria. May occur as a primary affection or from wounds, 

 foreign bodies ; frequently secondary to strangles, glanders, pneu- 

 monia, tuberculosis, etc. 



Hygienic treatment as in pneumonia ; dry nourishing diet. 

 Emetic and antimonials in animals that vomit. 



Two or three doses antipyrine, or calomel and opium, relieve pyrexia, 

 Salines and antipyretics as in bronchitis and pneumonia. 

 Pot. iodide and salicylate of soda promote absorption of exudate ; 



hypodermic injection of sterilised salt-solution containing caffeine. 

 Digitalis and nux-vomica aid removal of fluid. 

 Rugs wrung out of hot water to sides, or in-rubbing of mustard, washed 



off in twenty minutes. 



Moderate counter-irritation by cantharides, repeated if necessary. 

 Refrigerant compresses to chest advised in early stage by Friedberger. 

 Pain reduced by opium, or by morphine hypodermically. 

 Early tapping requisite where exudate considerable ; repeat in twelve 



hours if required. Antiseptic irrigation of chest cavity of the dog. 



See HYDROTHORAX. 



PLEURO-PNEUMONIA EPIZOOTIC. 



Contagious lung complaint of cattle. An infective inflammation of 

 the lungs and pleurae of horned cattle, probably caused by an 

 anaerobic micro-organism. Spreads generally by direct cohabitation ; 

 incubation stage twenty to forty days. 



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