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To studying of fertility of common toad Bufo bufo (Linnaeus, 1758)
The fertility of common toad Bufo bufo on the territory of Kaluga region is reported. The maximum fertility is 6450 eggs, the minimum one is 242 eggs, the average one is 2238 ± 1135. As the body length of common toad increases, the number and diameter of the eggs increases too. Reproductive effort increases with the growth of individuals of common toad, reaching the maximum at 90.7 mm, and then begins to decline.
fertility; reproductive effort; body length; Bufo bufo
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