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Simpson Simpson (1951)
The fecundity of the plaiceFishery Invest., Lond., Ser. 2, 17
Scott Scott (1962)
Effect of food quantity on fecundity of rainbow trout Saltno gairdneriJ. Fish. Res. Bd Can., 19
A. Woodhead (1960)
Nutrition and reproductive capacity in fishProceedings of the Nutrition Society, 19
Svardson Svardson (1949)
Natural selection and egg number in fishRep. Znst. Freshwat. Res. Drottningholm, 29
By Bagenal (1957)
The breeding and fecundity of the Long Rough Dab Hippoglossoides platessoides (Fabr.) and the associated cycle in conditionJournal of the Marine Biological Association of the United Kingdom, 36
The Ferry House, Ambleside, Westmorland, England (Received 9 December 1968) I. INTRODUCTION There are many papers describing the number of eggs in the ovaries of different species of fish before spawning. Most of these are descriptive and relate the number of eggs to the length, weight or age of the female fish. Nearly all fecundity investigations show a wide range in the number of eggs laid by fish that are otherwise apparently similar and from the same population. This variation has not yet been satisfactorily explained, nor have the variations between populations in different localities or the same population sampled at different times. One explanation often advanced for the fecundity variability in fish attributes it to different quantities of food consumed by the fish. A number of papers putting forward this suggestion are quoted by Bagenal (1967) and others by Nikolsky (1962) and Woodhead (1960). A search of the literature has yielded only one paper (Scott, 1962), which set out to examine experimentally any possible relationship between feeding and fecundity. Scott used rainbow trout Salmo gairdneri Richardson as his experimental fish, and started off with 5000 yearlings. His experimental procedure was complicated, and appears to have had to
Journal of Fish Biology – Wiley
Published: Apr 1, 1969
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