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. 2020 Nov 11;83(1):81–93. doi: 10.1007/s10493-020-00568-1

Table 3.

Relationships between concentration for each metabolic component and time (days) for Ixodes ricinus (females) that were maintained at temperatures of 5 to 30 °C, with the equation of the best fit negative exponential line, R2, F, and significance of the regression (P)

Metabolic components Temperature (°C) Regression
Equation R2 F P
Protein 5 y = 0.0456e−0.011x 0.47 41.98 0.0001
10 y = 0.0476e−0.016x 0.56 59.39 0.0001
15 y = 0.0488e−0.021x 0.70 110.4 0.0001
20 y = 0.0497e−0.025x 0.80 187.1 0.0001
25 y = 0.05e−0.031x 0.79 181.7 0.0001
30 y = 0.0507e−0.036x 0.84 259.5 0.0001
Phospholipid 5 y = 0.0467e−0.011x 0.56 59.16 0.0001
10 y = 0.0461e−0.016x 0.61 72.32 0.0001
15 y = 0.0469e−0.021x 0.69 105.1 0.0001
20 y = 0.0463e−0.024x 0.74 132.8 0.0001
25 y = 0.0458e−0.031x 0.78 170.6 0.0001
30 y = 0.0482e−0.036x 0.87 309.8 0.0001
Neutral lipid 5 y = 0.0205e−0.014x 0.50 47.14 0.0001
10 y = 0.0205e−0.018x 0.56 60.57 0.0001
15 y = 0.0201e−0.021x 0.61 73.19 0.0001
20 y = 0.0206e−0.029x 0.68 100.8 0.0001
25 y = 0.0206e−0.033x 0.75 140.2 0.0001
30 y = 0.0202e−0.042x 0.80 191.7 0.0001
Carbohydrate 5 y = 0.0262e−0.011x 0.28 18.08 0.0001
10 y = 0.0267e−0.014x 0.45 38.41 0.0001
15 y = 0.0275e−0.018x 0.59 66.3 0.0001
20 y = 0.0276e−0.021x 0.56 60.73 0.0001
25 y = 0.0279e−0.026x 0.72 119.5 0.0001
30 y = 0.0275e−0.034x 0.76 146.7 0.0001
Glycogen 5 y = 0.0362e−0.013x 0.49 44.39 0.0001
10 y = 0.0356e−0.014x 0.57 62.8 0.0001
15 y = 0.0344e−0.016x 0.60 70.12 0.0001
20 y = 0.0333e−0.021x 0.58 64.28 0.0001
25 y = 0.0337e−0.031x 0.69 105.8 0.0001
30 y = 0.0317e−0.033x 0.74 135 0.0001