Effect of Temperature and Salinity on the Biochemical Composition of Artemia franciscana KELLOGG 1906, from Araya (Venezuela) and San José (México)

The effect of different temperature and salinity combinations on the biochemical composition of Artemia franciscana from Venezuela and Mexico, is analyzed. Temperatures were 22 ± 0.5 °C, 26 ± 0.5 °C and 30 ± 0.5°C; salinities were 30‰, 60‰, and 120‰. Chaetoceros sp. was used as food. According to Tukey's Multiple Range Analysis for the A. franciscana population from Araya and San José, there were differences in the biochemical parameters and survival percentages among treatments and between populations. A positive correlation is observed among proximate composition values and survival, total length and growth rates. The observed variations reflect a genetic component resulting from the life history of the populations, and a non-genetic component produced by the experimental conditions.