SEEKING FOR THE WAY OF MAINTAINING THE VIGOR IN PROGENY OF THE HYBRID BETWEEN TWO VARIETIES OF THE COMMON CARP
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Abstract
A possible way of maintaining the vigor in progeny of the hybrid between two varieties of the common carp is proposed by the authors. For preventing the offsprings of the hybrid from genetic segregation the authors succeeded in inducing the fertilized eggs of the hybrid into triploid. Experiments showed that the five-month-old triploid hybrids were much larger in size than the corresponding diploid ones. The reproduetion of the triploid hybrids may be realized in theory by means of: 1. parthenogenesis, 2. natural gynogenesis, or 3. induced gynogenesis. Come what may, the offsprings of the triploid hybrid should retain their triploidy. Since regular genetic segregation would not occur in their offsprings, they would in all likelihood maintain their hybrid vigor generation after generation.
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