Improvement of the reproductive performance of sows by treatment with a GnRH superactive analogue.

I. Szabó, L. Varga, T. Antal, I. Tóth, I. Faredin, J. Seprödi, I. Teplán

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Abstract

The effect of a Hungarian-made superactive analogue of GnRH (Ovurelin, D-Phe6-GnRH-EA, Reanal, Hungary) on the postpartal sexual function of sows was monitored. GnRH treatment was carried out on day 19 before weaning. The sows were inseminated at the first oestrus after weaning. GnRH treatment markedly increased litter size at weaning, substantially reduced (to 25 and 50%, respectively) the number of sows failing to come into oestrus after weaning, and increased the number of sows coming into oestrus within one week after weaning by 42.5% and 9%, respectively. These beneficial effects were particularly apparent on the far using closed management technology.

Original languageEnglish
Pages (from-to)155-160
Number of pages6
JournalActa veterinaria Hungarica
Volume40
Issue number3
Publication statusPublished - 1992

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ASJC Scopus subject areas

  • veterinary(all)

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Szabó, I., Varga, L., Antal, T., Tóth, I., Faredin, I., Seprödi, J., & Teplán, I. (1992). Improvement of the reproductive performance of sows by treatment with a GnRH superactive analogue. Acta veterinaria Hungarica, 40(3), 155-160.