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How does adulteration of wax foundation affect phenoloxidase and lysozyme activities as selected parameters of immunity in Apis mellifera?

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01 août 2024
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Fig. 1.

Effect of adulteration of wax foundation with paraffin and stearin on phenoloxidase (A) and lysozyme (B) activities in the haemolymph of A. mellifera worker bees
PA10% – paraffin 10%, n = 30; PA30% – paraffin 30%, n = 30; PA50% – paraffin 50%, n = 30; ST10% – stearin 10%, n = 30; ST30% – stearin 30%, n = 30; ST50% – stearin 50%, n = 30; * – statistically significant difference within an age cohort between the control group and a group with a certain percentage of adulteration with paraffin or stearin (P-value ≤ 0.01); horizontal lines – statistically significant difference within an age cohort between an adulteration level of wax with paraffin and the same adulteration level of wax with stearin (P-value ≤ 0.01); a, b, c – statistically significant differences between age cohorts for the same adulteration level of wax and the same adulterant (P-value ≤ 0.01); bars and whiskers – standard deviation
Effect of adulteration of wax foundation with paraffin and stearin on phenoloxidase (A) and lysozyme (B) activities in the haemolymph of A. mellifera worker bees PA10% – paraffin 10%, n = 30; PA30% – paraffin 30%, n = 30; PA50% – paraffin 50%, n = 30; ST10% – stearin 10%, n = 30; ST30% – stearin 30%, n = 30; ST50% – stearin 50%, n = 30; * – statistically significant difference within an age cohort between the control group and a group with a certain percentage of adulteration with paraffin or stearin (P-value ≤ 0.01); horizontal lines – statistically significant difference within an age cohort between an adulteration level of wax with paraffin and the same adulteration level of wax with stearin (P-value ≤ 0.01); a, b, c – statistically significant differences between age cohorts for the same adulteration level of wax and the same adulterant (P-value ≤ 0.01); bars and whiskers – standard deviation

Effect of adulteration levels of comb wax with paraffin and stearin (0%, 10%, 30% or 50%) in individual age cohorts of A_ mellifera worker bees (1, 7 and 14 days) on phenoloxidase and lysozyme activities in haemolymph

Age of workers Effect of adulteration level
Paraffin Stearin
phenoloxidase activities lysozyme activities phenoloxidase activities lysozyme activities
1 day H3 = 73.31 H3 = 99.86 H3 = 111.57 H3 = 111.59
P-value = 0.0000 P-value = 0.000 P-value = 0.000 P-value = 0.000
7 days H3 = 111.58 H3 = 110.83 H3 = 111.59 H3= 111.58
P-value = 0.000 P-value = 0.000 P-value = 0.000 P-value = 0.000
14 days H3 = 111.58 H3 = 111.57 H3 = 111.58 H3 = 110.58
P-value = 0.000 P-value = 0.000 P-value = 0.000 P-value = 0.000

Effect of age of A_ mellifera worker bees (1, 7 and 14 days) from broods from combs with one of four adulteration levels of wax with paraffin and stearin (0%, 10%, 30% or 50%) on phenoloxidase and lysozyme activities in haemolymph

Activities Effect of age
Control Paraffin Stearin
0% 10% 30% 50% 10% 30% 50%
phenoloxidase H2 = 79.13 H2 = 79.14 H2 = 79.12 H2 = 79.14 H2 = 79.14 H2 = 79.14 H2 = 79.12
P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000
lysozyme H2 = 79.14 H2 = 79.13 H2 = 79.13 H2 = 79.14 H2 = 79.13 H2 = 79.14 H2 = 79.14
P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000 P-value = 0.0000