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Abstract

During artificial insemination (AI) of sows the stimulation - most effective in presence of a boar - plays an important role. Aim of the present study was to determine whether the simultaneous presence of two boars during AI could lead to an improved stimulation of the sows and, in consequence,...

Author(s)
Zimmer, C.; Hoy, S.
Publisher
Schlütersche Verlagsgesellschaft GmbH & Co. KG, Hannover, Germany
Citation
Praktische Tierarzt, 2013, 94, 11, pp 1008-1015
Abstract

Improvement of reproductive performance in pigs through careful monitoring of artificial insemination in sows is discussed in this article. Focus is given on determining the optimum time for insemination, factors included in insemination monitoring, application of insemination monitoring and...

Author(s)
Hoy, S.
Publisher
Besamungsverein Neustadt a.d. Aisch e.V., Neustadt a.d. Aisch, Germany
Citation
Zuchtwahl und Besamung, 2012, No.168, pp 60-62
Abstract

Author(s)
Kleen, J.
Publisher
DLG AgroFood medien gmbh, Bonn, Germany
Citation
Milchpraxis, 2013, 51, 4, pp 40-42
Abstract

The aim of this investigation was to compare the return-to-service-checks (RSC) and ultrasonographic pregnancy diagnosis (UPD) in their efficiency to recognize pregnant and nonpregnant pigs. Altogether 7983 pregnancy tests from one pig breeding farm were analysed. RSC were performed between days 18 ...

Author(s)
Kauffold, J.; Richter, A.; Rautenberg, T.; Sobiraj, A.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2003, 31, 6, pp 336-341
Abstract

Author(s)
Kerzel, I.
Publisher
Tierärztliche Hoschschule, Hannover, Germany
Citation
Zusammenhänge zwischen Brunstverlauf und Ovulation, sonographische ermittelter Frühträchtigkeit, Abferkelrate und Wurfgrösse in einer Hybridsauenherde nach künstlicher Besamung., 1999, pp 112 pp.
Abstract

56 cows, between 3 and 11 years of age, were treated by injection of diluted formidium acid into ovarian acupuncture points at the Veterinary Clinics in Giessen, Germany, between November 1993 and April 1995. This involved sub- and intra-cutaneous bilateral injection of 4 ml of formidium D4 between ...

Author(s)
Wollgarten, B.
Citation
Tierärztliche Umschau, 1996, 51, 12, pp 754..758
Abstract

The effects of luprostiol injections in early (days 5 to 9 of the oestrous cycle) and late (days 10 to 15 of the cycle in heifers and days 10 to 14 in cows) dioestrus on the injection to oestrus interval and pregnancy rates were examined after fixed time inseminations at 72 and 96 h after...

Author(s)
Alan, M.; Çoyan, K.; Aksoy, M.; Tekeli, T.; Ișik, K.; Sezen, S.
Citation
Tierärztliche Umschau, 1993, 48, 9, pp 587-590
Abstract

Preliminary results in oestrus synchronization, artificial insemination, and pregnancy diagnosis by milk progesterone in yaks are summarized.

Author(s)
Magasch, A.
Citation
Monatshefte für Veterinärmedizin, 1991, 46, 7, pp 257-258
Abstract

Bahrs treated 221 cows that had failed to conceive. Their diet appeared to be adequate; some had uterine catarrh. A dose of 20 ml. of one of two preparations was infused into the cervix one day after a second insemination during the same oestrus. Rectal palpation was done before treatment....

Author(s)
Niemann, G.
Publisher
Hanover,
Citation
Thesis, 1962, pp 67 pp.
Abstract

Reproductive performance of 264 Yorkshire and 181 Lacombe females managed on a controlled breeding programme was observed over a 1-yr period. Oestrous cycles were controlled by feeding methallibure in the ration for 20 days. All females detected in standing heat between days 5 and 12 post-treatment ...

Author(s)
King, G. J.
Citation
VIIth International Congress on Animal Reproduction and Artificial Insemination, Munich, 1972, Summaries., 1972, pp 201-202

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