Larval survival: evaluation and statistical analysis for its determination in fish culture
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Different methods of sampling to estimate mortality in larval culture tanks are presented and evaluated. Different statistical treatments specially designed to analyse survival are also described; direct, Kaplan-Meier, and actuarial or Cutler-Ederer. Additionally, the most commonly used tests of survival comparison between different groups are included (Breslow and Mantel-Cox, Log-Rank, Lee & Desu). A final evaluation is made of the suitability of the application of these methods against other statistical calculations with the aim of a standardisation of criteria in the analysis of larval survival.