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Translation Series No.1211

Translation Series No.1211

Translation Series No.1211

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. ineftlerer Mean<br />

OocytendurcArnesser<br />

6<br />

F;u0<br />

diameter of oocytes<br />

Range of rariatiOfl of<br />

Vanotionsbrede ors<br />

/run! 00cyte6durchm. diameter of<br />

aturing ooc<br />

the men<br />

the oopytes<br />

. tes<br />

■ ocytes;<br />

xx relit/nit Oecyten<br />

00 Nachwuctisoocyten ecruitment<br />

x4 inechAFrifscM9.0 e<br />

----Rehmg.wftw ,M,i'verrem'ie4XT;'<br />

-,--wahrsch - • - -<br />

1 11.1 r<br />

0-<br />

W d V vi Vil? X XII a<br />

LO<br />

AO Ai<br />

///'<br />

r<br />

é1 eld X k.<br />

A'<br />

Sea yekr classes<br />

1.<br />

1<br />

1<br />

elorare—*<br />

A 3Heerjohreskossen<br />

• Fig. 21. Maturing of the oocytes in the Baltic Sea salmon..<br />

- course of maturing when attaining maturity after 3 1/2 years<br />

in the sea<br />

• course of maturing when attaining maturity . after 2 1/2 years<br />

. in the sea]<br />

3.2.3. Comparative discussion of the findings about sexual maturation<br />

The material on whieh is based the investigation of the matur-<br />

ation of the eggs is not very large. At any rate, the results point to<br />

the fact that is well-known from the investigations of the stock, that<br />

[P. 273]<br />

some salmon of the sea year class A.2 and the majority of the individuals<br />

of the class A.3 emigrate in the epring ofeach year in order to spawn.<br />

According to the investigations of the fat metabolism the<br />

amount of Let content P lays an important role.in the readiness for the<br />

sPawning migration. L. Scheuring (1929) is of the opinion.that the tiMe<br />

of- emigration from the sea depends not so much on the state of development<br />

of the gonad.than on the general condition. F. R. Hayes (1949) was able

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