A study on the role of polyunsaturated fatty acids during the murine lactation and the growth.

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The aim of this experiment is the measurement of the dietary fatty acid composition in Δ6 desaturase knockout mice. D6D-null mice were fed n-3 adequate diet for 10 weeks from a young or adult age. Also we investigated the influence of fatty acid composition by n-3Adq milk in the newborn pups using artificial rearing technique. In the change of weight, we detected the significant decrease of body weight in young age and newborn lactation period, although there was no change in the adult age. Moreover, Arachidonic acid and docosahexaenoic acid significantly decreased in D6D Null mice. We think that there is a need to consider more about the function of these fatty acids.