Freshwater Crayfish 7(1): 213-222 (1979)
Freshwater crayfish breeding in Basse-Normandie
After a three-year monitoring of a generation of crayfish the formation ofthreesubgroups was brought to light, from the distribution of their sizes. The group with a low growth was called "sleeping" and the other with a high growth "leading". This development gap was not imputed to a genetic heterogeneousness, but to differences of behaviour. When tried out and carried on three months on a young population, a preventive homeopathic treatment improved the survival rate.
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How to Cite
Amato GD. (1979). Freshwater crayfish breeding in Basse-Normandie. Freshwater Crayfish 7(1):213-222. doi: .