THE EFFECT OF POST-PARTAL PROSTAGLANDIN F2 a APPLICATION ON SOME OF THE SUBSEQUENT REPRODUCTIVE PARAMETERS OF SOWS WITH OR WITHOUT ANTEPARTAL VULVOVAGINAL DISCHARGE
B. Baumann and G. Bilkei

Abstract
In an Eastern European pig production unit, 2 groups of sows, one without an antepartal (a.p.) vulvovaginal discharge (VD) (group 1, n=2001) and one with a VD (group 2, n=199) were selected for the trial. All the sows received 1 ml Estrumate® inj. (250 µg/ml prostaglandin analogue, Essex, D-München) intravulvally within 24 hours postpartum (p.p.).
The following parameters were evaluated:

1. The percentage of the sows with signs of periparturient diseases.
2. Weaning to oestrus interval.
3. Subsequent total - born litter size.

In group one (having no a.p. VD), the incidence of periparturient diseases was significantly (p<0.05) less than in group two. There was a significant (p<0.05) difference in weaning to oestrus interval between group one (5.94+/-0.66) and group two (6.66 +/-0.69). As regards subsequent total born litter size there was no significant difference between the two groups.

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