Relationship between mycotoxicosis and calcium during preproduction period in layers

This study was conducted to examine field cases of mycotoxicosis (A flatoxicosis and ochratoxicosis) and their effects on calcium during the preproduction period of 1SA brown pullets. Birds were 12-15 weeks of age. The feed was subjected to analysis for mycotoxin and blood samples were laboratory diagnosed for infectious bronchitis and infectious bursal viruses antibody titer and for determination calcium level. Clinical signs of affected birds were rubbery bone, ruffled feather, paleness and high mortality. Necropsy findings of sick birds were characterized by muscle dehydration, enlarged livers yellowished, kidney enlargement and urate deposition. Histopathological features of liver consisted of capsular thickening hepatocellular necrosis, subcapsular infiltration with inflammatory kidneys cells showed swelling of tubular cells, deposition of calcium between kidney tubules with infiltration of inflammatory cells. ELISA test revealed the presence of 800 ppb aflatoxin and 100 ppb ochratoxin. Normal titers of infectious bronchitis virus and infectious bursal diseases antibodies were recorded. Low blood calcium level of 8.2 mg/dl was registered in the tested blood samples

Effect of industrial product IMBO® on immunosuppressed broilers vaccinated with Newcastle disease vaccine

The effect of IMBO was investigated on humoral immune response to Newcastle disease vaccines in broiler chickens. Haemagglutination inhibition test and enzyme-linked immunosorbent assay were used to assess the immune response. Results showed that although IMBO significantly enhanced humoral immune response to live Newcastle disease vaccine, it did not decrease post virulent NDV challenge mortality

Serological and histopathological evidences of chickens infected with avian pneumovirus

The aim of this study was to know the etiological agent of mortality which occurred in broilers and parent stocks farms inNinava province. The main noticed symptoms was swollen head. The suspected samples were inoculated in to embryonatedegg to isolate the suspected virus. Neutralization test was performed using hyperimmune serum of pneumo virus and sera frominfected birds. Experimental infection via nostrils was performed, samples from bronchi and lungs were taken forhistopathological examination. Results showed that gross lesions were observed after second passage of isolates, two whichshowed mortality after first passage. Hyperimmune serum and sera from infected birds neutralized the isolates, there wasvariation among isolates. Histopathological picture showed congestion of bronchiole , hemorrhage between alveoli with clot inmost of blood vessels with in the lung

Histopathology of virulent Newcastle disease virus in immune broiler chickens treated with IMBO®

The effect of feed additive IMBO was investigated on histopathology of Newcastle disease virus in broiler chickens. Result osf this study showed no differences in histological changes of virulent Newcastle disease virus in vaccinated chickens treated with IMBO compared with non-treated chickens