Les maladies du porc, avec référence à particulier hog-choléra . alabsolutely refuse la nourriture de toutes sortes. Il y a, cependant, un burningthirst, à la suite de la fièvre élevée, et si le malade est dans un pasturewhere porc il y a un ruisseau, ce désir d'eau, à la fois entre-nalement qu'à l'externe, sera habituellement de lui causer de voyager à l'banksof le flux, où il va s'enfouir dans l'eau de refroidissement lui-même andmud à soulager l'inconfort produit par la fièvre élevée, qui est de 170 MALADIES DE PORCS en feu tout simplement le corps de l'animal et le séchage de tous les tissus de son waterout. Lorsque les animaux du choléra

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Diseases of swine, with particluar reference to hog-cholera . alabsolutely refuses food of all kinds. There is, however, a burningthirst, as a result of the high fever, and if the sick hog is in a pasturewhere there is a running stream, this desire for water, both inter-nally and externally, will usually cause him to travel to the banksof the stream, where he will burrow himself in the cooling water andmud to relieve the discomfort produced by the high fever, which is 170 DISEASES OF SWINE simply burning up the body of the animal and drying all the waterout of his tissues. When cholera animals have the range of a pasture in whichthere is a running stream the dead hogs are usually to be foundeither in the stream or close by its banks. In a very large number of cholera cases the sick animal, ifaroused and forced to get out of the litter and move about, willtake a few staggering steps, then stand with the back arched, theflanks drawn up, the hind legs crossed, the tail drooping, the headlow, and start to cough. This cough of cholera is more or less. Fig. 51.—Typical case of hog-cholera. Nottand cough. loop oi tail, arching of back, pecuhar. It has something about it that is different from anyother cough which hogs have, and once it has been heard it is nothard to tell when you hear it again. It is a sort of dry, suppressed, barking cough, but has to be heard to be fully appreciated. Manyexperienced veterinary surgeons and livestock men can tell it theminute they hear it, and can made a pretty good guess on thediagnosis of the case without even seeing the sick hogs at all. This cough, however, is not present in all cases. It is more com-mon and more severe in those cases where there is severe cholerainfection of the lungs and other organs in the chest. I have, however, seen many sick hogs which had a very severe cough dur- SYMPTOMS IN ACUTE TYPE 171 ing the course of the disease, and yet which showed but very Uttledisease in the lungs when opened up after they had died.

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