مقایسه اثربخشی واکسنهای hatchpack avinew frozen و hatchpack ib h120 با واکسنهای لیوفریزه avinew و bioralh120 با روش اسپری در جوجه های یک روزه در هچیری در ممانعت از هماگلوتیناسیون برای نیوکاسل و eliza برای برونشیت عفونی طیور

after test and review results and analysis of farm data, the following results were obtained. the review examined farms was done and the results obtained in this study was to determine the effectiveness of vaccines hatchpak avinew (frozen) and hatchpak ib h120 with spray in broilers a day in factories incubation and at least,they can be as vaccines avinew and bioral h120 ability to create safety tracking test, elisa, against newcastle disease and infectious bronchitis, and they can be used in the poultry farms. the fact that the study has been performed in this research is : vaccines hatchpak avinew (frozen) and hatchpak ib h120 compared to avinew and bioral h120 vaccines showed significantly better efficacy.