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The fecundity of the herring of the southern North Sea

Published online by Cambridge University Press:  11 May 2009

C. F. Hickling
C. F. Hickling
Affiliation:
Fisheries Laboratory, Lowestoft
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Extract

The number of eggs produced by the herrings of the East Anglian shoals increases with the length of the fish at a rate equal to the 3·465 power of the length, and with the age of the fish to the 0·66 power of the age. This fecundity is compared with that found in other races of herrings.

The number of eggs produced is closely correlated with the mean weight of the ovary, and it is found that the weight of the ovary increases with length at a rate equal to the fourth power of the length, and that a slightly higher rate applies to the testis.

The weight of the gutted fish, however, increases in relation to the length at a much slower rate, namely, as the 2·3 power of the length in the males, and the 1·5 power of the length in the females.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 24 , Issue 2 , August 1940 , pp. 619 - 632
Copyright
Copyright © Marine Biological Association of the United Kingdom 1940

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References

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