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Abstract

The aim of the present study was to determine if stimulation of the sows, and therefore the success of AI could be enhanced by the presence of two boars during AI. During artificial insemination, one boar (n=199 gilts and sows) or two boars consecutively (n=199 gilts and sows) were positioned in...

Author(s)
Zimmer, C.; Hoy, S.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2013, 85, 5, pp 388-395
Abstract

The optimal conditions, times and management procedures to obtain the most number of piglets from sows and gilts after artificial insemination are described.

Author(s)
Staack, H. D.
Publisher
Landwirtschaftsverlag GmbH, Münster-Hiltrup, Germany
Citation
SUS - Schweinezucht und Schweinemast, 2013, No.1, pp 58-60
Abstract

This study did not find any relationship between performance testing, breeding values and fertility during lifetime production. However, age at first insemination was significantly related to fertility performance. Gilts that were inseminated before day 240 of age were used for a longer period of...

Author(s)
Peter, F.; Lau, H.; Walter, J.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2011, 83, 3, pp 182-190
Abstract

Analysis of the reasons for culling of purchased gilts and 2. check-up studies on the percentage of animals fit for breeding following heat synchronization and artificial insemination over a period of 10 years (1999-2008). Basis: records of veterinary herd management service. Material and methods:...

Author(s)
Heurich, U.; Hühn, U.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2010, 38, 4, pp 219-224
Abstract

The study investigated the effect of additional illumination prior to artificial insemination on the reproductive performance of sows and gilts. Additional illumination was provided after weaning of piglets (sows) and after the last administration of regumate (gilts). In gilts, additional...

Author(s)
Lau, H.
Publisher
Eugen Ulmer GmbH, Stuttgart, Germany
Citation
Züchtungskunde, 2008, 80, 3, pp 213-223
Abstract

This study was conducted to evaluate the relationship between body composition and reproduction traits of gilts. 176 gilts of different genotypes were divided into three different groups: Group 0, gilts disqualified for breeding due to no occurrence of oestrus; Group 1, gilts which farrowed after...

Author(s)
Hoffschulte, H.; Scholz, A. M.
Publisher
Forschungsinstitut für die Biologie landwirtschaftlicher Nutztiere, Dummerstorf, Germany
Citation
Archiv für Tierzucht, 2006, 49, 6, pp 561-574
Abstract

In a large Hungarian breeding unit, sows of identical genetics, age, body condition and management during the same season were subjected to determine the effect of oestrus duration and number of inseminations on farrowing rate and litter size. Gilts (n=169) and sows (n=301) showing weaning to...

Author(s)
Waller, C. M.; Bilkei, G.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2004, 32, 1, pp 40-47
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

A review of the induction of oestrus with gonadotropic hormones at the time of weaning, the synchronization of oestrus in groups of gilts, and the synchronization of ovulation for artificial insemination.

Author(s)
Kanitz, W.; Hühn, U.
Citation
Tierärztliche Umschau, 1999, 54, 4, pp 208-214
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

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