Descripción de un brote de enfisema y edema pulmonar agudo del bovino (EPAB) en Parral (Chile)
1997
URRUTIA, H.(Cooperativa Eléctrica Parral) | BREVIS, C.(Universidad de Concepción) | QUEZADA, M.(Universidad de Concepción) | DONOSO, S.(Universidad de Concepción)
Spanish; Castilian. Se describe un brote de enfisema y edema alveolar agudo del bovino (EPAB) ocurrido en la zona centro-sur a fines del verano de 1995. Los animales Frisón negro, de aproximadamente 2 años de edad, fueron afectados después de cambiarse de una pradera fibrosa a una suculenta de alfalfa. La mortalidad por esta causa fue de un 23%. Las principales lesiones encontradas en la necropsia fueron enfisema y edema intersticial intenso del pulmón, lo cual fue corroborado histopatológicamente, encontrándose a nivel pulmonar una hiperplasia de neumocitos tipo II y membranas hialinas. Se practicó tratamiento sintomático al inicio del cuadro, el cual no fue efectivo
Show more [+] Less [-]English. An outbreak of acute bovine pulmonary oedema and emphysema (ABPE), which occurred in the south central Chile at the end of the summer of 1995, is described. The Friesian cattle, approximately 2 years old, which were affected presented severe signs of expiratory dyspnoea after they were moved from a fibrous pasture to one which was lush with alfalfa. Mortality rate was 23%. The main lesions found in the necropsy were severe interstitial emphysema and oedema of the lungs. These were corroborated by histopathological findings in the lungs which showed an hyperplasia of type II pneumocytes as well as the presence of hyaline membranes. Syntomatic treatment was given at the outset of the diseases. But did not have any positive results
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