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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 5867

Tamara L. Poddubnaya; Parthenogenesis in Tubificidae. Hydrobiologia 115:97-99, 1984

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The ability of tubificids to reproduce parthenogenetically following or in place of bisexual reproduction has been proved. During parthenogenesis the spermatogenesis ceases at an early stage of sexual cell development, which, together with some peculiarities of the structure of the sexual system, rules out the possibility of self-fertilization in the worms. For two years of cultivation the life cycles of 3 parthenogenetic generations in Tubifex tubifex and 2 in Limnodrilus hoffmeisteri were traced.