[Influence of mineral diet of the sow on the sex ratio of the newborn].

Abstract

This paper reports a study on sows to check the theory of Stolkowski which hypothesizes that mineral imbalance in the diet of the female before fertilization affects the sex ratio of the progeny. Relative excess of Na+ and K+ ions (NaK diet) would favour the birth of males, while relative excess of Ca2+ and Mg2+ ions (CaMg diet) would favour the birth of… (More)

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