Grinchenko D. Immbne stimulation in chickens with lymphoid extract of poultry reconvalescents in vaccination against newcastl diseases

A research object is immune reactivity of chickens in case of system stimulation. To develop the method chickens immune stimulation ith immunostimulative properties, method of application for increasing of immune status of fowl, to determine possible influence of ELPR on strengthening of immune answer in of Newcastle disease vaccination hawe been the purpose of work. Investigation methods: work has been carried out with use of serological, bacteriological, virulogical, immunomorphological, morphometrical and biochemical methods. Statistic treatment of results has been conducted according to Microsoft Excel program with the use of personal computer. Scientific novelty: for the in Ukraine: new immune stimulator made of fowl lymph organs; such as thymus, Fabritsius"s bursy and spleens has been cleveloped; it has been determined thaf made extract has immunostumulative properties and increases immune status of chickens through oral introduction; immune answer considerably increases in case of use this extract together with Newcastle disease vaccine. Itroduction degree: the results of researches have been inculcated on poultry farms of Kharkov and Donetsk region. Materials of the thesis are used in educational process ot microbiology and biotechnology department of veterinary medicine faculty of Kharkov state zooveterinary academy.Sphere of use - veterinary science.