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Table 2 Non-linear model parameters describing features of prediction lines ( a, b, c, x 0 ) and model adequacy for cumulative egg excretion (CEE), lifetime fecundity (CEE/fem) and length of Heterakis gallinarum fitted to infrapopulation size by segmented regression analysis

From: Density related effects on lifetime fecundity of Heterakis gallinarum in chickens

Parameters

CEE (ln)

Lifetime fecundity (ln)

Female length

Estimate

SE

Estimate

SE

Estimate

SE

a

10.55

0.137

9.22

0.093

10.27

0.152

b

0.054

0.005

0.011

0.003

0.012

0.005

c

-0.050

0.005

-0.014

0.004

-0.014

0.006

x 0

52

4.49

54

11.41

54

18.04

P ≤

0.001

0.001

0.029

EMS

0.110

0.051

0.135

Pseudo-R2

0.92

0.35

0.22