Özet:

Background and Purpose: Despite the fact that Newcastle disease is commonly vaccinated poultry. Key biochemical indicators and differential blood were observed following vaccination with the La Sota strain of the Newcastle disease virus, that is extensively used in hens, and oregano treatment to examine the impact of vaccination and oregano treatment on the health of chickens. Materials and Methods: 390 adult chickens were used in the study, which were separated into five study groups and a control group. Chicks in the study groups were vaccinated via eye drop and subcutaneous techniques, and oregano was administered via drinking water. Blood samples were taken before and after the vaccination on days 40. The total erythrocyte count, hemoglobin concentrations, hematocrit levels, and total and differential leukocyte counts were all measured. Serum total albumins and globulins were tested. Results: Total serum proteins were increased within physiological limits in all groups, with an albumin globulin ratio that suggested antibody production stimulation. The number of erythrocytes, hemoglobin concentration, and hematocrit were not substantially different in any of the groups. Conclusion: There were no negative health consequences as a result of the findings. As a result, the vaccine and oregano treatment that are already commonly used in hens can be safely utilized in chickens.

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