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  • Title: [Control of labor in swine with dexamethasone of various injection frequencies on the onset of labor and other selected parameters in farrowing sows and piglets].
    Author: Hühn R, Heidler W, Möller A, Hühn U.
    Journal: Arch Exp Veterinarmed; 1980; 34(5):677-81. PubMed ID: 7458559.
    Abstract:
    Included in experiments with 185 sows with synchronised oestrus and ovulation were 52 untreated animals (K), while the others received intramuscular injections of daily doses of 75 mg of dexamethasone (DXMS), between the 109th and 111th days of pregnancy (V1) or 200 mg on the 110th day (V2) or on the 111th day (V3). While DXMS failed to have any substantive effect on mean pregnancy time or duration of labour, the variance of farrowing dates was reduced with significance. The average intervals which passed from the injections to delivery were 58.8 hours (V1), 82.2 hours (V2) or 54.8 hours (V3). No major difference was found to exist between K, V1, V2, and V3 regarding stillbirths or piglets with underweight, weights at birth and on the 21st day of age, loss in the course of raising, and percentual frequency of sows with normal or increased rectal temperature during the first three days after farrowing.
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