"Estudio morfopatològico de lesiones pulmonares en cerdos de mataderos y su asociación con diferentes enfermedades zoonòticas"

Abstract

In order to evaluate the morphopathological changes and the incidence of pulmonary lesions in slaughterhouse pigs and their association with different diseases of economic and zoonotic importance, 167 fattening pigs were worked out of a total of 175 slaughtered in Rocafuerte slaughterhouses, Portoviejo and Tosagua, with a frequency of one weekly visit during the winter period (January-March), at each working visit the lungs of slaughtered animals were analyzed. The slaughterhouses in which they worked respond to the criterion of type of exploitation from which the pigs come. Rocafuerte sacrifices farm animals and backyard, Portoviejo sacrifices mainly from farm and Tosagua primarily from backyard. As a result of the macro and microscopic study of the lungs analyzed, the presence of lung lesions with different degrees of evolution was evidenced in 51.4% of the cases reviewed. 70.9% of these had a lobular distribution, they corresponded with a predominance of purulent bronchopneumonia that resulted in the respiratory process with a higher frequency of presentation (P ≤ 0.05), a higher incidence of pulmonary lesions was observed in the slaughterhouse of Tosagua P ≤ 0.05 which was associated with the fact that most of the animals that are slaughtered there are backyard pigs. They injuries are related to multiple diseases such as Porcine Enzootic Pneumonia, Porcine Pleuronemonía complicated with opportunistic bacteria such as Pasteurella spp., and salmonella sp, has a zoonotic character.