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  • 1
    Electronic Resource
    Electronic Resource
    Effects of cortisol on growth and development in tilapia larvae,Oreochromis mossambicus (1996)
    Springer
    Fish physiology and biochemistry 15 (1996), S. 453-458 
    Details
    ISSN: 1573-5168
    Keywords: cortisol ; development ; growth ; tilapia ; larva and free-swimming
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Treatment of one-day-old yolksac larvae of tilapia (Oreochromis mossambicus), by immersion in cortisol solution for two weeks, significantly enhanced growth. The standard length, tail length, head width and wet weight showed dose-dependent increases at concentrations of cortisol (hydrocortisone) from 0.05 ppm to 0.5 ppm, with no further increase at 1.0 ppm. However, cortisol at 5.0 ppm retarded the growth of the larvae without causing any morphological abnormality. Yolk absorption and the onset of free-swimming activity in the larvae were also accelerated by cortisol treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01874919
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