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Abstract

Methods aimed at programmed pig production are summarized with reference to recent practice in Germany, under the headings: oestrus synchronization in gilts; ovulation synchronization with time-orientated insemination; farrowing synchronization.

Author(s)
Wähner, M.
Publisher
Besamungsverein Neustadt a.d. Aisch e.V., Neustadt a.d. Aisch, Germany
Citation
Zuchtwahl und Besamung, 2003, No.150, pp 58-60
Abstract

At 2 farms, synchronized ovulation and timed inseminations were carried out in sows weaned after 43 or 49 days of lactation. 1000 IU PMSG was given 24 h after weaning, followed 56 or 57 h later by 300 IU HCG, alone or in combination with 300 IU GnRH. Sows were inseminated 24 or 27 h after the last...

Author(s)
Roost, H.; Kröger, H.; Schuckmann, B.
Citation
Monatshefte für Veterinärmedizin, 1986, 41, 14, pp 492-495
Abstract

Experiments are reported from 5 farms where timed inseminations were carried out following suckling periods of 3-5 wk and synchronized ovulation. The synchronization treatment involved an injection of 1250 IU PMSG 24 h after weaning, followed 55-58 h later by 500 IU HCG and insemination 24 and 42 h ...

Author(s)
Huhn, U.; Stremke, A.; Kurzhals, V.
Citation
Monatshefte fur Veterinarmedizin, 1982, 37, 24, pp 942-945
Abstract

At 3 experimental farms, gilts aged 6-7 months were treated for induction of puberty with 500 IU PMSG + 250 IU HCG. Ten days later, the females were treated for 12 days with 5 g daily of Suisynchron-premix, and were given timed inseminations. At the 3 farms, experimental females averaged 235, 231...

Author(s)
Nowak, P.; Schlegel, W.; Huhn, U.
Citation
Archiv fur Experimentelle Veterinarmedizin, 1982, 36, 1, pp 109-114
Abstract

Eighty gilts were slaughtered at various times after puberty induction, using 500 IU of PMS and 250 IU of HCG, and stimulation of ovulation (using 500 IU of HCG 72 hours after puberty had been induced). Most gilts ovulated between 96 and 120 hours after puberty induction. Only 3.2% of the follicles ...

Author(s)
Schlegel, W.; Wahner, M.; Stenzel, S.; Krebs, R.
Citation
Archiv fur Experimentelle Veterinarmedizin, 1978, 32, 6, pp 873-877
Abstract

In 86 gilts in which puberty had been induced by administration of 500 IU of PMS and 250 IU of HCG, only 26.9% of the group without HCG had completed ovulation 120 hours from puberty induction, but 93.5% had done so in the group which had received an additional 500 IU of HCG 78 hours after the...

Author(s)
Schlegel, W.; Stenzel, S.; Krebs, R.; Wahner, M.
Citation
Archiv fur Experimentelle Veterinarmedizin, 1978, 32, 6, pp 863-867
Abstract

Suisynchron (zinc metallibure) treatment was applied to gilts over 20 days at a daily dosage of 100 mg. This was followed by 1000 IU PMS and 250 IU HCG. Artificial insemination was applied five days after the first hormone administration and followed by one FSH injection after another 12-15 days....

Author(s)
Steger, H.; Bergfeld, J.; Gotze, M.; Huhn, U.; Puschel, F.
Citation
Archiv fur Experimentalle Veterinarmedizin, 1977, 31, 6, pp 895-904
Abstract

Two groups of 12 gilts kept on platforms were synchronized over 20 days, using 100 mg Suisynchron (zinc metallibure) per animal and day followed by PMS treatment (1000 IU) and HCG treatment (250 IU). Artificial insemination was carried out five days after the first hormone application and was...

Author(s)
Steger, H.; Bergfeld, J.; Blodow, G.; Huhn, U.; Puschel, F.
Citation
Archiv fur Experimentalle Veterinarmedizin, 1977, 31, 6, pp 887-893
Abstract

In a series of experiments, puberty was induced in gilts by injection of 500 IU PMS + 250 IU HCG, and insemination with pooled semen was carried out once, twice or 3 times. Gilts were slaughtered 4-8 wk after insemination. For 41, 38 and 41 females averaging 220 days of age and inseminated once,...

Author(s)
Schlegel, W.; Braune, S.; Krebs, R.; Ahrens, M.; Biedermann, H.; Stenzel, S.
Citation
Archiv fur Experimentelle Veterinarmedizin, 1977, 31, 3, pp 423-429
Abstract

Groups of 79, 77 and 80 gilts were inseminated once, either 26 or 36 h after HCG injection, or were inseminated twice (at 26 and 36 h). In the 3 groups resp., the CRs were 52.6, 61.0 and 77.2%, the farrowing rate 51.9, 61.0 and 76.3%, and litter size of liveborn piglets 6.5, 7.1 and 7.7 resp. In a...

Author(s)
Schlegel, W.; Schwarze, D.
Citation
Monatshefte fur Veterinarmedizin, 1977, 32, 10, pp 371-373

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