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Research, Policy and Practice

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Table 3 Marginal effects of factors influencing loss of replacement heifers before first calving

From: Evaluation of losses of replacement heifers in pastoral and peri-urban camel herds in semi-arid northern Kenya

Variables Maximum likelihood coefficient Robust standard error Z P> |z|
Herd (0, 1)a 0.0857 0.0254 3.37 0.000*
Educ (scale) −0.0039 0.0109 −0.36 0.719
Train (0, 1) −0.0104 0.0088 −1.18 0.237
Veterinary services accessed (scale) −0.0551 0.0173 −3.18 0.001**
Labourb (0,1) 0.1059 0.0237 4.47 0.000*
Security (scale) −0.0627 0.0168 −3.73 0.000*
_cons 0.5387 0.0412 13.08 0.000
  1. Log likelihood = −1,218.1793; number of observations = 1,877; LR chi square (6) = 113.39; Prob > chi square = 0.000; pseudo R2 = 0.2024. *Significance at 1%; **significance at 5%. aA dummy variable indicating pastoral herd (0) and peri-urban herd (1); ba dummy variable indicating owner (0) and hired (1) labour.