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Abstract

In order to increase fertility in modern dairy farming, the interval between first insemination and conception should be as short as possible. Therefore, one approach is to diagnose non pregnant animals early to re-inseminate them as soon as possible. Commercial milk pregnancy assays are available...

Author(s)
Engelke, J.; Feldmann, M.; Gundling, N.; Gundelach, Y.; Egli, C.; Hoedemaker, M.; Piechotta, M.
Publisher
Schlütersche Verlagsgesellschaft GmbH & Co. KG, Hannover, Germany
Citation
Berliner und Münchener Tierärztliche Wochenschrift, 2015, 128, 9/10, pp 402-408
Abstract

With regard to pregnancy check in cattle, it is an important and challenging task to ensure a reliable diagnosis as early as possible. Incorrect diagnoses can lead to enormous economic losses and may result in financial requests. Another problem is that cows diagnosed as pregnant may not be able to ...

Author(s)
Piechotta, M.; Herzog, K.; Kaske, M.; Gundling, N.; Feldmann, M.; Bollwein, H.; Hoedemaker, M.
Publisher
Schlütersche Verlagsgesellschaft mbH & Co. KG, Hannover, Germany
Citation
Praktische Tierarzt, 2011, 92, 7, pp 602...610
Abstract

This article presents an animal health program implemented at a dairy farm in Bremervörde, Lower Saxony, Germany. Highlight focused on the prevention and control of reproductive disorders specifically on fertility problems. The farm was also visited regularly by a veterinarian and presents a...

Author(s)
Tischer, M.
Publisher
Verlag Th. Mann, Gelsenkirchen, Germany
Citation
Milchpraxis, 2010, 48, 3, pp 100-106
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)
Müller, K. W.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Genauigkeit und Wirtschaftlichkeit einer Trächtigkeitsuntersuchung mittels Ultraschall zwischen dem 20. und 34. Tag nach der künstlichen Besamung bei Kühen und Färsen, 2000, pp 113 pp.
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

Various methods of calculating conception rates following A.I., involving pregnancy diagnosis by clinical methods, the non-return method and the "herd analysis" method [see A. B. A., 27, No. 1344], are compared, using data from the Hanichen A.I. Station for the years 1954-58.

Author(s)
JENICHEN, W.; SCHAFER, W.; DEX-HEIMER, J.
Citation
Tierzucht, 1961, 15, pp 13-16; 54-56
Abstract

Individual cases of abortion caused by Brucella abortus in herds previously free from the disease were attributed to rectal infection from inadequately disinfected gloves and hands at artificial insemination or pregnancy diagnosis.-M.G.G.

Author(s)
Feiling, O.
Citation
Rindertuberkulose und Brucellose, 1960, 9, pp 28-33
Abstract

Individual cases of abortion caused by Brucella abortus in herds previously free from the disease were attributed to rectal infection from inadequately disinfected gloves and hands at artificial insemination or pregnancy diagnosis.-M.G.G.

Author(s)
Feiling, O.
Citation
Rindertuberkulose und Brucellose, 1960, 9, pp 11-18
Abstract

The enormous expansion of A. I. in recent years in the German Democratic Republic (1, 446, 483 first inseminations in 1958) has made pregnancy diagnosis by veterinarians impossible. A method of assessing A. I. results other than the non-return method is proposed, called " herd analysis ". This...

Author(s)
JENICHEN, W.; ZELFEL, S.
Citation
Tierzucht, 1959, 13, pp 158-163

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