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Mortality as the primary constraint to enhancing nutritional and financial gains from poultry: A multi-year longitudinal study of smallholder farmers in western Kenya

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  • Elkanah Otiang
  • Zoë A Campbell
  • Samuel M Thumbi
  • Lucy W Njagi
  • Philip N Nyaga
  • Guy H Palmer

Abstract

Background: Chickens are a widely held economic and nutritional asset in rural Africa and are frequently managed by women. Despite potential benefits of larger flock sizes, the average number of chickens kept at the household level is reported to be low. Whether this reflects decision-making to maximize benefits per unit labor by voluntary reduction of chicken numbers by consumption or sale versus involuntary losses due to mortality is a significant gap in knowledge relevant to improving smallholder household welfare. Methods: In a 4-year longitudinal study of 1,908 smallholder households in rural western Kenya, the number of chickens owned by quarterly census at each household was determined. Households reported gains and losses of chicken over the immediate previous quarter. Gains were classified as on-farm or off-farm; losses were classified as voluntary (sales, gifts, consumption) or involuntary (mortality, unclassified loss). Results: The mean number of chickens owned over the 16 quarters was 10, consistent with prior cross-sectional data. Involuntary losses represented 70% of total off-take, while voluntary off-take represented the remaining 30%. Mortality composed 60% of total reported off-take and accounted for most of the involuntary losses. Household consumption, sales, and gifts represented 18%, 9%, and 3% of off-take, respectively. Conclusion: The overwhelming majority of off-take can be classified as involuntary off-take, principally due to mortality, that does not reflect the owner’s decision to maximize value through nutritional gain, income, or social capital. This strongly suggests that there is substantial opportunity to enhance the value of chickens as an asset, both nutritional and income generating, for smallholder households living at poverty level. Our findings suggest that programs emphasizing community level poultry vaccination and feed supplementation are much more likely to be effective than those solely focused on providing chickens.

Suggested Citation

  • Elkanah Otiang & Zoë A Campbell & Samuel M Thumbi & Lucy W Njagi & Philip N Nyaga & Guy H Palmer, 2020. "Mortality as the primary constraint to enhancing nutritional and financial gains from poultry: A multi-year longitudinal study of smallholder farmers in western Kenya," PLOS ONE, Public Library of Science, vol. 15(5), pages 1-11, May.
    • Handle: RePEc:plo:pone00:0233691
    DOI: 10.1371/journal.pone.0233691
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    2. Young, Mary B. & Alders, Robyn & Grimes, Sally & Spradbrow, Peter B. & Dias, Paula & Silva, Amilcar da & Lobo, Quintino, 2002. "Controlling Newcastle Disease in Village Chickens - A Laboratory Manual," Monographs, Australian Centre for International Agricultural Research, number 117714.
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