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Kinetics of antibody responses in hens from chicken lines divergently selected for response to sheep red blood cells



Kinetics of antibody responses in hens from chicken lines divergently selected for response to sheep red blood cells



Poultry Science 78(8): 1081-1084



Changes in antibody titers to SRBC were monitored for 180 d after inoculation in hens from two lines divergently selected for 24 generations for high (HAS) or low (LAS) antibody response to SRBC. The HAS hens not only had a higher peak of antibody response (12.9 vs 9.4), but also showed greater persistence in maintaining antibody levels than LAS hens. As a result, HAS hens exhibited higher antibody titers for the 180-d assay period than LAS hens. Antibodies to SRBC were detected in all day-old chicks hatched from HAS eggs collected 10 to 14 d after inoculation as well as 92 to 119 d after inoculation. Only a portion (20 to 75%) of progeny for LAS hens had detectable levels of antibody during the same periods. Among responders, antibody titers were higher for HAS than for LAS progeny. There was a positive correlation among antibody titers taken at different times after the inoculation with SRBC.

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Accession: 003187125

Download citation: RISBibTeXText

PMID: 10472831

DOI: 10.1093/ps/78.8.1081


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