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  • Title: Antibody response in partridge (Perdix perdix L.) 1. Effect of sex and age on the immune response to sheep red blood cells (SRBC), Newcastle disease virus (NDV) and Brucella abortus (Buck 19).
    Author: Randi E, Chiricolo M, Spagnesi M, Ghedini I, Savigni G, Giovannini A, Franceschi C.
    Journal: Dev Comp Immunol; 1985; 9(4):679-90. PubMed ID: 3936735.
    Abstract:
    To ascertain the immune response capacity of Partridges to classical experimental and natural antigens, dose and time response curves to sheep red blood cells (SRBC), Newcastle disease virus (NDV) and Brucella abortus (Buck 19 strain), were determined in two strains reared in two different farms. 1 ml of 20% SRBC, 10(9) NDV particles and 10(7) Buck 19 microorganisms, gave optimal antibody responses seven (SRBC and Buck 19) or fourteen days after immunization. As far as SRBC is concerned, the antibody response was sex independent, but declined markedly in partridges older than 1 year. The immunization schedule used by us allow the identification of high and low responder animals. In fact, highly significant correlation in individual partridges between antibody titers obtained after two successive immunizations to an optimal SRBC dose given three weeks apart, was found. This fact, together with the observed great variability in the antibody response to the three antigens considered, should allow a selection for high and low responder lines, in order to improve the fitness toward environmental pathogens.
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