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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

Uterine contractions were ultrasonically recorded (t=20 min) in 50 maiden mares (3-4 years old) within 0-6 h after hCG induced ovulation. The mares were divided into 5 groups (n=10, respectively). Group 1 was inseminated conventionally into the uterine body, while Group 2 was inseminated onto the...

Author(s)
Witt, M. C.; Meinecke-Tillmann, S.; Swagemakers, J. H.; Koene, M.; Meinecke, B.
Publisher
Hippiatrika Verlagsgesellschaft mbH, Stuttgart, Germany
Citation
Pferdeheilkunde, 2011, 27, 3, pp 271-276
Abstract

During the equine breeding season 2010 a total of 73 mares were admitted for artificial insemination to the reproduction unit of the Veterinary clinic Kaufungen. The aim of this study was to examine whether the well known sonographic appearance of the equine uterus during estrus can also be...

Author(s)
Teschner, D.; Grün, A.; Kähn, W.
Publisher
Hippiatrika Verlagsgesellschaft mbH, Stuttgart, Germany
Citation
Pferdeheilkunde, 2011, 27, 3, pp 316-319
Abstract

In this study, 40 dairy cows and heifers were equally divided into 2 groups and fed a 70% grass silage + 30% maize silage ration and concentrates with or without sodium bicarbonate. Feed intake, digestibility, rumen fluid, fertility and milk composition were recorded. It was shown that sodium...

Author(s)
Wülbeck, C.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Effekte von Natriumhydrogenkarbonat auf hochleistende Milchkühe in der Frühlaktation bei grassilagebasierten gemischten Rationen, 2011, pp 81 pp.
Abstract

This article discusses strategies on how to maintain fertility in high yielding dairy cows. Focusing on the socioeconomic aspects from the point of view of the government and dairy farmers in Austria. The correlation of proper timing in breeding cows to embryo mortality was also emphasized.

Author(s)
Loimayr, V.
Publisher
Lehr- und Forschungszentrum für Landwirtschaft Raumberg-Gumpenstein, Irdning, Austria
Citation
Bericht. 36. Viehwirtschaftliche Fachtagung. Physiologie und Verdauung, Mineralstoffversorgung, Milchproduktion, Gesundheitsmonitoring Rind, Rindfleischproduktion, Heumilch, 13-14 April 2010, Raumberg-Gumpenstein, Austria, 2010, pp 29-30
Abstract

The results of a survey conducted in Switzerland during January 2010 regarding the breeders' goals, attitudes and opinions regarding the importance of bucks in goat breeding are presented.

Author(s)
Boer, E. de; Reist, S.
Publisher
Forum Kleinwiederkäuer/Petits Ruminants, Herzogenbuchsee, Switzerland
Citation
Forum Kleinwiederkäuer/Petits Ruminants, 2010, No.11, pp 6-13
Abstract

This article discusses the different programmes implemented in a 100-cow dairy farm in Germany to improve the fertility rate and reproductive performance of dairy cows. The components of fertility programme enhancements include efficient oestrus detection; effective farm management; proper ovarian...

Author(s)
Tischer, M.
Publisher
Verlag Th. Mann, Gelsenkirchen, Germany
Citation
Milchpraxis, 2010, 48, 4, pp 144-147
Abstract

This article discusses the advantages of creating a breeding programme which uses genome analysis of semen collected from German Holstein-Friesian bulls. The goal of such breeding technique aims to produce high quality semen that when used in AI will produce high yielding dairy cows which is also...

Author(s)
Brade, E.
Publisher
Verlag Th. Mann, Gelsenkirchen, Germany
Citation
Milchpraxis, 2010, 48, 3, pp 130-132
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

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

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