Abstract
Singh, N.S. and Kumar, S. 2007. Influence of selection for high humoral immunity on selected and unselected traits in black variety of turkey. J. Appl. Anim. Res., 32: 139–143. Direct and correlated changes were evaluated in the immunological traits (total, mercaptoethanol resistant (MER) and sensitive (MES) antibodies, serum lysozyme level and PHA-P response and body weights (0 to 24 weeks) in S1generation of Black turkey variety, selected for higher immune response to sheep RBCs (SRBC). The selected line had comparatively higher (P>0.05) LS means for all immunological traits except for serum lysozyme level. Hatch effect was significant on MER antibody titre and serum lysozyme level only. Females had significantly higher titre? of HA and MES (P<0.1) and lower response to PHA-P (P<0.05). Control line had comparatively higher body weights at 20 and 24 weeks of age. Realized h2 estimate as a response to selection was 0.499 indicating the effectiveness of selection.
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