Abstract
A profound decrease in the concentration of colostral proteins (among immunoglobulins primarily IgG) during the first three days of lactation is accompanied by changes in the molecular heterogeneity of IgA. In the course of lactation, the amount of 7S IgA increases in relation to 10S IgA. The total amount of IgA, after the initial decrease during the first three days, maintains a gradual increase. In addition, a transient increase of natural haemagglutinating antibodies toEscherichia coli (serotype O55) was found in fractions corresponding to IgA and IgG during lactation.
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Zikán, J., Miler, I. Changes in the level and character of colostral immunoglobulins during the lactation period in sows. Folia Microbiol 19, 67–70 (1974). https://doi.org/10.1007/BF02874505
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DOI: https://doi.org/10.1007/BF02874505