Summary
This narrative review synthesises available evidence on the potential of by-products from mango, cashew apple, and papaya processing as alternative feed ingredients for small ruminants in low-income food deficit countries. It examines the nutritional profiles and anti-nutritional properties of these by-products and assesses their suitability as partial substitutes for conventional feed resources. The paper contributes to the literature on circular agri-food systems by identifying opportunities to reduce post-harvest waste whilst supporting livestock productivity in resource-constrained settings.
UK applicability
The findings have limited direct applicability to UK livestock production given the tropical origin of the crops and the focus on low-income food deficit countries; however, the broader principles around valorising fruit-processing by-products and reducing feed-food competition may inform UK circular economy and sustainable feed strategies.
Key measures
Proximate composition (crude protein, NDF, ADF, ash); anti-nutritional factor concentrations (tannins, condensed tannins); reported effects on ruminant feed intake, digestibility, and growth performance
Outcomes reported
The review examines the nutritional composition, anti-nutritional factors, and feeding potential of mango, cashew apple, and papaya processing by-products for small ruminants. It likely reports on dry matter, crude protein, fibre fractions, and tannin or polyphenol content, alongside documented effects on animal productivity and health.
Topic tags
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