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Effectors at storage of spermatozoa 2. effects of vitamin e on the fertilizing capacity and the vitality of spermatozoa after liquid and cryo preservation



Effectors at storage of spermatozoa 2. effects of vitamin e on the fertilizing capacity and the vitality of spermatozoa after liquid and cryo preservation



Dermatologische Monatsschrift 166(12): 784-792



Vitamin E effects were investigated during the liquid- and cryopreservation of human and ram semen. Estimation of vitamin E effectiveness was done by means of motility, eosin-nigrosin supravital staining, respiration alteration quotients after addition of rotenone, succinate, digitonin and 2,4-dinitrophenol and the comparison of conceptions after insemination of 960 sheep. Both spermatozoa motility and the respiration quotient after addition of rotenone and succinate were influenced positively. The eosin-nigrosin supravital staining was not influenced by vitamin E. The experiments with sheep showed that the semen of 7 out of 9 rams preserved with vitamin E caused conception increases (mean 8.5%). This effect seems to be present specifically with rams with reduced fertility capacity.

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Accession: 005285282

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