Factors influencing the survival and growth of turbot larvae, Scophthalmus maximus L., during the change from live to compound feeds

  • Bromley P
  • Howell B
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Abstract

In a series of 14 trials the survival of turbot larvae during transfer from a live to an inert food ranged from 45% to 95%. The time taken for up to 50% of each batch to establish feeding was also highly variable, ranging from 1 to 11 days. The potential to accept inert food was probably established during the initial stages of weaning or even earlier. Final survival could reliably be predicted from survival and feeding response during the first few days of weaning. Evidence was presented which suggests that the quality of the live food (Artemia salina L.) influenced the subsequent acceptance of an inert diet. For example, larvae reared on San Francisco Bay nauplii accepted an artificial diet less readily than those reared on Artemia which had first been fed on the unicellular alga Isochrysis for 2 days. Dietary water content was not an important factor governing weaning success. © 1983.

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Authors

  • P. J. Bromley

  • B. R. Howell

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