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Research, Policy and Practice

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Table 1 Description and measurement of variables used in the study

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

Variable acronym Variable meaning Variable description Variable measurement
Herd Grazing area where the herd is managed Pastoral herd (0) peri-urban herd (1) Categorical, dummy
Proploss Proportional loss Proportion of female calves lost relative to female calves born Total number lost Total number born
Agec Age class of heifer at the time of loss 1 = pre-weaning <3 months; 2 = yearling, three to two years; 3 = three years; 4 = four years; 5 = age at first calving Categorical
Reason Reason that led to loss of heifer Involuntary losses: 1 = death from diseases, 2 = death from predation/injury/poisoning, 3 = deaths from drought starvation, 4 = infertility/deformities, 5 = theft/rustling, 6 = voluntary losses (slaughtered for ceremonies, gift out, leased, dowry payment) Categorical
Mktdist Market distance Distance to the nearest market: 0 = not far, 1 = far, 2 = moderately far, 3 = very far, 4 = extremely far Ordinal measure, Likert scale rating by camel herd owners
Veterinary Access to veterinary interventions Frequency of treatment of camel calves against diseases: 0 = None, 1 = less frequently, 2 = fairly frequently (average), 3 = frequently, 4 = more frequently Ordinal, Likert scale rating by camel herd owners
Herd Gazing area where the herd is managed Pastoral herd (0) peri-urban herd (1) Categorical, dummy
Security Security situation for keeping camels 0 = not secured, 1 = fairly secured, 2 = secured, 3 = more secured, 4 = highly secured Categorical
Train Attendance to trainings/workshops/seminars on camel calf management No = 1 and 0 otherwise Categorical, dummy
Labour Labour used in carrying out camel management activities Hired = 1 and 0 otherwise Categorical, dummy
Herd size Herd size Mature bulls The total number of camels for the categories in column 3
Young bulls
Breeding females
Heifers
Male calves
Female calves
Educ Level of education Informal Likert scale
Primary
Technical after primary
Secondary
Post secondary
Supplement Supplementary feeding/grazing reserves No = 1 and 0 otherwise Categorical, dummy