What question did this study set out to answer?

To evaluate the impact of replacing dietary corn with cassava by-products on broiler growth performance using a qualitative direction-of-effect synthesis.

August 14, 2026Tropical Animal Health and ProductionOpen Access

Cassava by-products in broiler diets: effects on growth performance based on a systematic review

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Authors

WMWanessa Daróz MatteUniversidade Brasil CZCynthia Pieri ZeferinoUniversidade Brasil HSHenrique Melo da SilvaUniversidade Federal de Mato Grosso

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Implication

Systematic review reveals reduced growth performance with high cassava by-product inclusion in broilers, highlighting the need for cautious dietary formulation.

Key Points

To evaluate the impact of replacing dietary corn with cassava by-products on broiler growth performance using a qualitative direction-of-effect synthesis.
Systematically reviewed 36 studies published between 2005 and 2025 across Brazil (36.1%), Nigeria (25.0%), and Indonesia (18.2%), representing 187 dietary comparisons.
Categorized responses in feed intake (FI), body weight gain (BWG), and feed conversion ratio (FCR) as positive, neutral, or negative relative to reference diets due to missing variance data.
Feed intake was predominantly neutral (54.4%), while BWG responses were 49.2% negative, 44.4% neutral, and 6.4% positive across comparisons.
Feed conversion ratio showed 45.5% neutral, 44.4% negative, and 10.2% positive responses, with growth impairments becoming most pronounced at inclusion levels above 25%.
Risk of bias was high or presented concerns in 86.1% of evaluated studies, largely due to omitted reporting of variability measures.

Cite This Study

Matte et al. (2026) studied this question.

synapsesocial.com/papers/6a7ec764b70b84ec8b913bf7 https://doi.org/10.1007/s11250-026-05289-y

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Implication

Systematic review reveals reduced growth performance with high cassava by-product inclusion in broilers, highlighting the need for cautious dietary formulation.

Cassava by-products in broiler diets: effects on growth performance based on a systematic review

Discussion

Member takes

Implication

Key Points

Cite This Study

Cassava by-products in broiler diets: effects on growth performance based on a systematic review

Discussion

Member takes

Implication

Key Points

Cite This Study

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