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Abstract

In comparison with artificial insemination with fresh semen or short time stored semen, the results of artificial insemination after cryopreservation are not satisfactorily in poultry. Nevertheless, the interest of commercial breeders in cryopreservation is increasing. An increase in utilization of ...

Author(s)
Schramm, G. P.
Publisher
Eugen Ulmer GmbH, Stuttgart, Germany
Citation
Züchtungskunde, 2008, 80, 2, pp 137-145
Abstract

Data on 1048 eggs from hens inseminated at 3- to 4-day intervals over 6 wk (group 1) and 758 eggs from hens inseminated at 7-day intervals over 4 wk (group 2) were analysed. The overall egg fertility and hatchability was 74.5 and 63.0% resp. for hens in group 1 vs. 55.2 and 43.5 in group 2, embryo...

Author(s)
Schramm, G. P.
Citation
Monatshefte für Veterinärmedizin, 1992, 47, 11, pp 599-602
Abstract

The authors' work on the use of the Blumberg poultry semen diluent, containing sodium glutamate, glucose and potassium acetate, is reviewed. After storage of semen diluted 1:1 in the medium for 6 h at 2°-5°C, insemination doses of 0.05 ml resulted in an egg fertility of 92.4% and hatchability of...

Author(s)
Schramm, G.-P.; Löhle, K.
Citation
Monatshefte für Veterinärmedizin, 1985, 40, 4, pp 135-138
Abstract

This review deals with the dilution, freezing, cryoprotection, thawing and post-thawing treatment of fowl and turkey semen and the effect of freezing on semen fertilizing ability. [For Pt. 1 see Archiv für Tierzucht (1993) 36, 431-442].

Author(s)
Hübner, R.; Löhle, K.; Schramm, G. P.
Citation
Archiv für Tierzucht, 1994, 37, 1, pp 77-87
Abstract

100 hybrid hens were inseminated at intervals of 2-3 days over a period of 4-6 wk with frozen semen diluted with ethylene glycol or dimethylacetamide (DMA). For 1740 and 1411 eggs in the 2 groups resp., egg fertility averaged 55.5 and 64.8%, and hatchability was 70.0 and 81.4% for fertilised eggs...

Author(s)
Hübner, R.; Schramm, G. P.
Citation
Monatshefte für Veterinärmedizin, 1988, 43, 8, pp 279-282
Abstract

Author(s)
Schramm, G. P.
Citation
Monatshefte fur Veterinarmedizin, 1976, 31, 20, pp 770-773