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The function of desirability as a generalized criterion of the quality of laboratory insect cultures


, : The function of desirability as a generalized criterion of the quality of laboratory insect cultures. Zhurnal Obshchei Biologii 42(4): 597-602

The possibility of applying the function of desirability as a generalized criterion of a biological system's state was estimated. The laboratory culture of Culex pipiens molestus Forsk. was used as an example of the principle of transition from concrete indices of the system's state to the conventional scales of desirability. Indices of the culture's state in the experiment were the average weight of the larvae of the 3rd instar, the variability of their individual weight and the quota of the larvae of the 3rd instar. Sizes of samples providing accurate measurements and acceptable limits of deviation within the standard culture were determined. The complete factor experiment (CFE-23) was performed, in which 3 factors varied: the population density of larvae, the amount of food and the periodicity of feeding. As the result of the application of the generalized function of desirability, it was possible to estimate the system's state by the set of the above 3 indices and to choose the best variant of the experiments.

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