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Freezing of cock semen with regard to the reproduction of gene reserve populations and international exchange of semen



Freezing of cock semen with regard to the reproduction of gene reserve populations and international exchange of semen



Archiv fur Geflugelkunde 55(6): 258-260



For 540 White Leghorn hens in 3 gene reserve lines, inseminated with pooled semen from cocks of the same lines, egg fertility was 89.5, 91.5 and 89.8% resp. for fresh semen vs. 87.2, 92.7 and 87.6% for frozen semen, and the egg hatchability was 62.6, 64.2 and 57.3% vs. 61.7, 69.3 and 63.5. In a 2nd trial, frozen semen from cocks in the former German Democratic Republic was exported to Zagorsk in the former USSR.

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Accession: 002114140

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