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Abstract

This article discussed the correlation between udder health and fertility in dairy cows highlighting the effects on cow performance of treating udder inflammation combine with antibiotic treatment.

Author(s)
Steinbeck, A.
Publisher
DLG AgroFood medien gmbh, Bonn, Germany
Citation
Milchpraxis, 2017, 55, 1, pp 32-34
Abstract

Activity was automatically measured in 2 h intervals with the neck mounted activity meter system Qwes HR (SCR, Israel) in 6 herds with Holstein Friesian cows and reference values for diurnal rhythm in the period 240 hr until 49 hr before artificial insemination (AI) were calculated for each cow....

Author(s)
Schröter, I.; Brandt, H. R.; Hoy, St.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2016, 88, 2, pp 134-147
Abstract

262 dairy cows were fed either 0 or 10 g of a rumen protected carnitine product (containing 2 g Carnitine) per cow and day supplemented via TMR. Milk yield and ingredients were investigated in all cows. For the investigation of blood parameters 110 cows were selected. Carnitin supplementation...

Author(s)
Scholz, H.; Ahrens, A.; Menn, F.; Heimendahl, E. V.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2014, 86, 2, pp 115-122
AbstractFull Text

In two field trials, the effects of administration of 50 µg Lecirelin (nonapeptide GnRH-analogue) at time of insemination were studied. In the first trial on 203 cattle (101 animals in experimental group [EG] and 102 in control group [CG] resp.) in 18 dairy herds no difference between groups was...

Author(s)
Martin, R.; Schmauder, S.; Schlecht, S.; Mansfeld, R.
Publisher
Veterinarska Fakulteta, Univerza v Ljubljani, Ljubljana, Slovenia
Citation
Slovenian Veterinary Research, 2006, 43, Supplement 10, pp 61-64
Abstract

This review describes factors that affect conception rate after synchronization of ovulation and timed artificial insemination. Intervals of 7 days between GnRH and PGF, 48 hours to the second GnRH treatment and a further 16 to 20 hours to the timed insemination have been proven to be most...

Author(s)
Tenhagen, B. A.
Publisher
Verlag M. & H. Schaper, Alfeld (Leine), Germany
Citation
Deutsche Tierärztliche Wochenschrift, 2005, 112, 4, pp 136-141
Abstract

This paper describes the efficacy of reproductive management using Ovsynch in comparison to other protocols for reproductive management. Most studies report an increase in reproductive performance in groups treated with Ovsynch. The difference is greater if the control programme suffers from low ...

Author(s)
Tenhagen, B. A.
Publisher
Schattauer GmbH, Stuttgart, Germany
Citation
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere, 2005, 33, 4, pp 209-217
Abstract

In a field trial in Germany, a comparison was made of the performance of sows inseminated using the standard method (group 1) or inseminated into the uterus without or with the use of a Gedis pipette (groups 2 and 3 respectively). In the 3 groups respectively, the ease of insemination was average,...

Author(s)
Niggemeyer, H.
Publisher
Landwirtschaftsverlag GmbH, Münster-Hiltrup, Germany
Citation
SUS - Schweinezucht und Schweinemast, 2004, No.6, pp 34-37
Abstract

Results are given from a feeding trial in Bavaria in 2002, in which specialist feeding advice was given in 11 herds, and effects on fertility measured. Three herds were simply given a total mixed ration, while an evaluated feed ration for individual cows was given in the other 8 herds. Average...

Author(s)
Kraft, M.; Striezel, A.; Wittmann, M.
Publisher
Verlag Th. Mann, Gelsenkirchen, Germany
Citation
Milchpraxis, 2004, 42, 3, pp 106-110
Abstract

The aim of the present study was to analyse the incidence of delayed ovulation in dairy cattle and to evaluate its influence on the conception rate. The examinations were carried out on 304 animals (293 cows and 11 heifers) of the breeds Swiss Brown (65%), Holstein (26%) and Simmental (9%). The...

Author(s)
Braun, J.; Sarmento, S.
Publisher
Terra-Verlag Heizmann, Konstanz, Germany
Citation
Tierärztliche Umschau, 2004, 59, 2, pp 64-68
Abstract

Author(s)
Vogel, C.
Publisher
Freie Universität Berlin, Berlin, Germany
Citation
Einfluss der Milchleistung und des Laktationsstadiums auf den Besamungserfolg nach Ovulationssynchronisation, 2003, pp 144 pp.

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