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Abstract

Persistent mating induced endometritis (PMIE) is a major cause of infertility in mares. Routine therapies such as post-breeding uterine lavage with saline or administration of oxytocin or prostaglandin (PGF2) often fail to eliminate uterine infection. In a pilot study we wanted to investigate the...

Author(s)
Melkus, E.; Witte, T. S.; Deichsel, K.; Aurich, C.
Publisher
Hippiatrika Verlagsgesellschaft mbH, Stuttgart, Germany
Citation
Pferdeheilkunde, 2011, 27, 6, pp 701...705
Abstract

Despite the clear advantages of natural mating as opposed to artificial insemination in cattle, breeding bulls are kept on few organic farms. The optimum maintenance conditions for breeding bulls are described: they include rearing in groups from an early age; using bulls bred on the farm; and...

Author(s)
Schmidt, G.; Metz, C.; Postler, G.
Publisher
Stiftung Ökologie & Landbau (SÖL), Bad Dürkheim, Germany
Citation
Ökologie & Landbau, 2005, 134, 2, pp 43-45
Abstract

The objective of this retrospective study was to figure out important factors on the fertility of mares and to optimize the management regime with regard to these factors. The analyses were based on records of the National State stud of Lower Saxony from 1997 to 1999, in total 16695 seasonal...

Author(s)
Hamann, H.; Mertens, U.; Sieme, H.; Klug, E.; Distl, O.
Publisher
Verlag Eugen Ulmer GmbH, Stuttgart, Germany
Citation
Züchtungskunde, 2005, 77, 2/3, pp 194-205
Abstract

Breeding strategies and breeding programme are described, including the different aspects of the breeding programme (targeted mating, semen quality, analysis of problems during birth, meat quality, exterior quality, milkability, and milk yield), cooperation with other organisations (e.g. for ...

Author(s)
Crettenand, J.; Liechti, H. P.; Rychen, M.; Schleppi, Y.; Steiger, H. U. von
Citation
Schweizer Fleckvieh, 1998, No. 4, pp 2-15
Abstract

A review, dealing with research published in Germany, Austria and Switzerland in 1945-95 on various aspects of the oestrous cycle, reproductive disorders, gynaecological surgical procedures, embryo transfer, mating, AI, pregnancy, early embryonic death, abortion, parturition, lactation, the...

Author(s)
Ostermann, U.
Publisher
Tierärztliche Hochschule Hannover, Germany
Citation
Die Reproduktionsforschung beim weiblichen Pferd in der deutschsprachigen wissenschaftlichen Literatur im Zeitraum 1954-1995., 1997, pp 355 pp.
Abstract

Of synchronized suckler cows that were inseminated and run with bulls over a period of 4 years (282-511 cows per year), 89, 92, 90 and 88% in the 4 years respectively conceived within 8 weeks of the beginning of the mating period, and 81, 79, 78 and 82% of calves were born in the first 4 weeks of...

Author(s)
Küchenmeister, U.; Golze, M.
Citation
KB-Mitteilungen, 1996, 34, 2, pp 26-28
Abstract

An account is given of a sow mating unit developed in Germany, in which sows are given permanent contact with a boar and close supervision over a period of 7 days after weaning, and a stress-free environment for 8 days after mating or insemination.

Author(s)
Hofmeier, G.
Citation
Kleinviehzüchter, 1996, 44, 26, pp 1087-1089
Abstract

The effect of mating method on interval between litters, number of days non-pregnant per parity, and 4 litter size traits was studied using data on 3002 litters produced within the area of operation of an AI centre. The sows were of 6 genotypes (German Landrace and 5 commercial hybrid types). The...

Author(s)
Biedermann, G.; Rupp, G.
Citation
Züchtungskunde, 1995, 67, 1, pp 25-30
Abstract

Vaginal smears taken from 42 bitches were examined and the results were compared with serum levels of progesterone measured by RIA and ELISA. With ELISA (Hygia RPT progesterone test), it was possible to differentiate low (<3.9 ng/ml) and high progesterone levels (>4.2 ng/ml). Timing of artificial insemination or mating of the bitches using...

Author(s)
Laibin, C.
Citation
Tierärztliche Praxis, 1991, 19, 2, pp 197-199
Abstract

28 804 crossbred litters from sow multiplier herds were studied. Naturally mated sows produced a greater total number of piglets born per litter than artificially inseminated sows (by 0.7 piglets, range -0.05 to +1.6 for all farms), a greater number of liveborn piglets (by 0.6) and a greater number ...

Author(s)
Brandt, H.; Glodek, P.
Citation
Züchtungskunde, 1984, 56, 1, pp 27-35

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