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Table 2 Analysis of variance for immune variables for adult male and female yellow mud turtles

From: Sex-specific innate immunity and ageing in long-lived fresh water turtles (Kinosternon flavescens: Kinosternidae)

Source of Variation

Asin(BC)

Log(NAbs)

Log(Lys)

zAge

 F (d.f.n, d.f.d)

13.98 1, 187

3.01 1, 191

3.61 1, 191

 Pr > F

0.0002

0.08

0.05

 

Old < Young

Old < Young

Old < Young

 

(Fig. 2A)

(Fig. 2C)

(Fig. 2B)

Sex

 F (d.f.n, d.f.d)

38.97 1, 187

35.89 1, 191

15.49 1, 191

 Pr > F

<  0.0001

<  0.0001

<  0.0001

 

M > F

M > F

M > F

 

(Fig. 3A)

(Fig. 3B)

(Fig. 3B)

zAge x Sex

 F (d.f.n, d.f.d)

0.80 1, 187

0.24 1, 191

0.41 1, 191

 Pr > F

0.37

0.62

0.26

Beach

 F (d.f.n, d.f.d)

1.86 2, 187

0.02 2, 191

1.34 2, 191

 Pr > F

0.16

0.98

0.26

Batch

 F (d.f.n, d.f.d)

15.81 4, 187

189 1, 191

7.06 1, 191

 Pr > F

<  0.0001

< 0.0001

0.009

  1. Bactericidal Competence was Arcsine transformed (Asin(BC)). Titres of natural antibody-mediated haemagglutination (NAbs) and complement-mediated haemolysis (Lys) were both Log10 transformed (Log(NAbs), Log(Lys)). (See text for details.) P-values less than 0.10 are boldface