Abstract The study examined the effect of stearin and paraffin adulteration wax foundation on brood survival. In combs formed a stearin-adulterated (10, 30, 50% stearin, which means: 3.9, 11.7, 19.5% stearic acid, respectively), survival decreased statistically significantly ( p ? 0.001) compared to rates noted pure beeswax foundation. appearance resembled so-called scattered although queens ov...