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. 1972;13(2):191-6.
doi: 10.1186/BF03548572.

Mammary secretion of IgG in sows

K Martinsson

Mammary secretion of IgG in sows

K Martinsson. Acta Vet Scand. 1972.

Abstract
in English, German

The IgG-concentration was determined in serum of 3 pregnant sows before and after partus and in colostrum of 7 sows 0–6 days post partum. The IgG-concentration decreased in serum before partus and increased after partus. The lowest value (1.5 g/100 ml) was observed at partus. The results indicate that IgG is transmitted from serum to colostrum.

The concentration of IgG in colostrum was found to be 2.1–10.4 g/100 ml at partus. The concentration decreased very fast during the first day post partum. During 3–6 days post partum the IgG concentration was rather constant (0.3–0.5 g/100 ml). The importance of the results for the passive immunization of piglets is discussed.

IgG-halten har bestämts i serum hos 3 dräktiga suggor före och efter partus samt i kolostrum 0—6 dagar efter partus hos 7 suggor. IgG-halten visades sjunka i serum före partus, för att efter partus åter öka. Vid partus var IgG-halten lägst (1,5 g/100 ml). Resultaten antyder att IgG transmitteras från serum till kolostrum före partus. Halten IgG i kolostrum varierade vid partus mellan 2 och 10,4 g/100 ml. Halten sjönk mycket snabbt under första dygnet efter partus. Under 3—6 dygnet efter partus var IgG-halten relativt konstant (0,3—0,5 g/100 ml). Resultatens betydelse för den passiva immuniseringen av spädgrisar diskuteras.

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