Intoxicação por Metternichia princeps em caprinos no Estado da Bahia

Abstract

This paper brings about a report which describes a poisoning outbreak in caprine by ingesting plants that contains Metternichia princeps, in the State of Bahia. The research was carried out on eight goats, of which three died and two were necropsied. The main clinical evidences were characterized by nasal mucous secretion, weight loss, diarrhea, lethargy, mild weakness, groggy, lowered torax and pelvis, sternum abdominal and lateral recumbency and death after two days of the clinical evolution. During necropsy was observed a pulmonary edema hydrothorax, hydropericardium, ascites, pale kidneys, perirenal edema and hemorrhages in the mesentery, besides subcutaneous-tissue hemorrhage. The biochemistry of the blood revealed some increase in the levels of urea, creatinine and creatine phosphokinase. After some microscopic analyses, the kidneys reveled severe coagulation necrosis of the tubular epithelium, granular cylinders, hyaline and tubules with epithelial regeneration. In the lungs was observed a great quantity of congestion of alveolar capillaries associated with interalveolar interseptal and edema, besides some discreet interstitial infiltration of macrophages and neutrophils. This research has revealed that the main factor of the goats poisoning has a strong relationship with their feed after an accidental cutting of the plant that was accidentally served to the researched animals. In spite of the situation, M, princeps must be considered as a very important nephrotoxic plant for caprine in the state of Bahia.