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Abstract

Genomic selection is a highly innovative tool that expanded rapidly in today's dairy cattle breeding programmes. The proportion of inseminations with genomic proven bulls increased steadily but large regional differences can be observed. The superiority of such bulls is evident for all traits which ...

Author(s)
Thaller, G.; Rensing, S.; Segelke, D.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2015, 87, 1, pp 27-36
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

Oestrus detection has been cited as one of the most important factors affecting the reproductive success of artificial insemination programs. Many factors affect the expression, intensity and duration of oestrus. Several factors including environmental and housing conditions, leg problems, milk...

Author(s)
Becker, F.; Kanitz, W.; Heuwieser, W.
Publisher
Verlag Eugen Ulmer GmbH, Stuttgart, Germany
Citation
Züchtungskunde, 2005, 77, 2/3, pp 140-150
Abstract

Ovulation induction is recommended on the 3rd day of oestrus when the follicle has a diameter of ≥40 mm. Administration of 1500 IU HCG combined with insemination 24 h later with chilled semen is recommended. The intensity of the endometrial reaction depends on the method of semen preservation...

Author(s)
Sieme, H.; Klug, E.; Schoon, H. A.
Citation
Pferdeheilkunde, 1997, 13, 5, pp 499-507
Abstract

The method of preparing and freezing the high-density semen fraction in 2-ml pellets is described. Only ejaculates with a sperm concentration of more than or equal to 800 000/ml were used. Pellets were stored in liquid nitrogen for 1-6 mth. Thawing was either by the dry method or in a thawing...

Author(s)
Kozumplik, J.
Citation
Monatshefte fur Veterinarmedizin, 1980, 35, 11, pp 423-425
Abstract

Possibilities of increasing the size of gilt litters by means of better feeding, sexual stimulation, detection of oestrus, and insemination techniques are discussed. A bibliography is available from the author.

Author(s)
Elze, K.; Hagner, H.-J.; Demmrich, C.; Mewes, A.
Citation
Tierzucht, 1979, 33, 4, pp 171-172
Abstract

In May-July, semen was obtained twice weekly from 5 male turkeys. Undiluted semen was stored for 30 min. at 22 deg C, was diluted 1:3 with a fructose-yolk-glycerol diluent, placed in medium-sized straws, cooled to 5 deg in 3 h, and frozen in liquid nitrogen vapour. The semen was thawed at 37 deg...

Author(s)
Schefels, W.
Citation
Zuchthygiene, 1978, 13, 2, pp 81
Abstract

When pooled semen from 40 males was diluted 1:1 in a solution containing 7.5% ethylene glycol, sperm motility averaged 71.0% v 81.1 for undiluted semen, egg fertility percentage 57.3 v 66.7, and the hatchability percentage of fertile eggs 77.8 v 78.6. Samples frozen to various temps. from -2 deg to ...

Author(s)
Schramm, R.; Lohle, K.
Citation
Monatshefte fur Veterinarmedizin, 1978, 33, 7, pp 262-265
Abstract

A review dealing with cattle, pigs and sheep.

Author(s)
Smidt, D.
Citation
Zuchtungskunde, 1977, 49, 6, pp 405-416
Abstract

Data collected during 1968-77 on 9 Chamois Coloured and 9 Saanen AI bucks are tabulated individually. For 244 and 273 ejaculates of the 2 breeds resp., volume averaged 1.3 and 1.3 ml, sperm concentration (x103) 4200 and 3695/ml, and straws filled/ejaculate 38 and 42. When 25 and 53 multiparous...

Author(s)
Kupferschmied, H.; Muther, E.
Citation
Schweizer Archiv fur Tierheilkunde, 1977, 119, 10, pp 405-413

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