Informe de pasantia en la granja el verde perteneciente a la empresa Avídesa Mac Pollo S.A. Enfermedad de Newcastle en gallinas reproductoras, de la línea Ross 308.

Abstract

Newcastle disease is a highly contagious infection that affects all birds, caused by a virus of the family paramyxovirus which viruses cause a wide range of clinical signs depending on the host and the virulence of the infecting strain, this clinical case report describes the condition caused by this virus in a batch of hens breeding Ross 308, which began by showing a low posture and production of abnormal eggs, also respiratory symptoms such as rales, sneezing, and high mortality in some sheds. Some necropsies on birds (asymptomatic, symptomatic) were carried out, and birds found dead, finding injury macroscopic that characterized to the disease. The diagnosis was conducted by means of laboratory tests such as: bacterial cultures, antibiogram, histopathology, ELISA and PCR. From the results of laboratory was raised a symptomatic and preventative treatment, which gave results and minimize the degree of virulence of the disease.