Senegal, Fonio, 2022

Senegal's estimated postharvest losses for fonio in 2022 was 797 tonnes or 11.9%.

In the value chain, the majority of the loss is estimated to be happening at Harvesting/field drying, Threshing and Shelling, and then Market storage. Highest estimated postharvest maize losses in tonnes were estimated to occur in Sédhiou.

To view the list of studies used to estimate these losses, please see the References tab.

Production quantity and estimated postharvest losses

Production quantity (tonnes)
Estimated postharvest losses (tonnes)

2011–2021
2011	3609
2012	1923
2013	1598
2014	1588
2015	2360
2016	3228
2017	3757
2018	4214
2019	3921
2020	3609

Produced	6,678 tonnes
Estimated postharvest losses	11.9% / 797 tonnes

Production quantity	Estimated postharvest losses
88.07 Production quantity: 6,678 tonnes	11.9 Estimated PHL: 797 tonnes

See full postharvest losses data table with estimated losses in percentage › | tonnes ›

Value chain

Production quantity and estimated postharvest losses in % per value chain step. Please note that once loss has occurred at harvesting, the percentage loss in the next stage is a percentage of what remained, not of the original amount.

Estimated % of crop left
Estimated % of crop lost

	Amount remaining(%)	Estimated postharvest loss(%)
Production	100 Remaining: 100% Est. PHL: 0%	0 Remaining: 100% Est. PHL: 0%
Harvesting/field drying	96.5 Remaining: 96.5% Est. PHL: 3.5%	3.5 Remaining: 96.5% Est. PHL: 3.5%
Threshing and Shelling	93 Remaining: 93% Est. PHL: 3.5%	3.5 Remaining: 93% Est. PHL: 3.5%
Winnowing	90.5 Remaining: 90.5% Est. PHL: 2.5%	2.5 Remaining: 90.5% Est. PHL: 2.5%
Transport from field	88 Remaining: 88% Est. PHL: 2.5%	2.5 Remaining: 88% Est. PHL: 2.5%
Household-level storage	87.71107 Remaining: 87.71107% Est. PHL: 0.28893%	0.28893 Remaining: 87.71107% Est. PHL: 0.28893%
Transport to market	86.71107 Remaining: 86.71107% Est. PHL: 1%	1 Remaining: 86.71107% Est. PHL: 1%
Market storage	84.06107 Remaining: 84.06107% Est. PHL: 2.65%	2.65 Remaining: 84.06107% Est. PHL: 2.65%

See full value chain data table with estimated losses in percentage › | tonnes ›