Hydrobiological Journal

ISSN for PRINT: 0018-8166

For Online Access

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2005, Volume41

Issue 2

117 pages

DOI: 10.1615/HydrobJ.v41.i2

Issue price - $369.00

A. B. Ruchin
Mordovian State University, Saransk, Russian Federation

V. S. Vechkanov
Mordovian State University, Saransk, Russian Federation

V. A. Kuznetsov
Mordovian State University, Saransk, Russian Federation

Constant day length and periodic (12/12) light accelerated the growth rate and increased the efficiency of food conversion of fry of Cyprinus carpio L., Carassius auratus gibelio (Bloch), Perccottus glenii Dybowski, Alburnus alburnus (L.), Leucaspius delineatus (Heck.), Poecilia reticulata Peters, while constant darkness caused the reverse effect. The last three species have shown more significant photoperiodic reaction than others. Acceleration of the growth was associated with improving of food conversion and increasing somatotropin secretion.

DOI: 10.1615/HydrobJ.v41.i2.80 Download article, 103-109 pages

Article price - $35.00

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