Cassava peels processing;
Transforming cassava peels into animal feed; for feeding livestock and birds
Before time, cassava peels which are by-product of cassava processing was considered as waste. This waste constitute a major environmental nuisance within and around cassava processing factories. But today, this by-product is recognized as a potential feed resources and not wasted any longer. Traditionally, livestock rearers uses this byproduct as feed for livestock but then, throws the remaining of it away. But today, it has been discovered that this wasted byproduct can be processed dried and transformed into animal feed that could last for months without spoiling.
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Due to quality concerns, cassava peels that are not properly processed are not marketed at their potential prices. This poor quality results due to improper drying that will in turn reduce storage period. For this reason, farmers and feed industries do not have access to processed peel of desired quality in sufficient quantities.
But thank goodness for the CGIAR scientist who in 2005, developed a good process that affects drying time of the peels. Yielding high quality products for feeding livestock etc.
In turn, this goes a long way to mitigate feed scarcity and also generate additional income to cassava processing companies. This will also create a new industry that offers new employment to participants in cassava processing.
The processes below should be followed to obtain a healthy feed, when transforming cassava peels into animal feed
1. The peels should be freed from contamination, stumps, large Woody tubers, soil and other foreign matters before grating to prevent the rafter from damage.
2. Fresh cassava peels should be used. This is because stored peels begins to ferment and becomes slippery which makes them difficult to grate.
3. After sorting, grate the peels to reduce the particle size which will facilitate dewatering and drying.
4. Peels should be grated 3 times in other to achieve the desired size.
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5. The grated peels are then packed into woven bags in small quantities folded in a flat form and packed one above the other in a pressing mechanism to remove water.
6. After dewatering, allow the bags to stay overnight so that the peels would ferment.
7. The next day, the result will be an intermediate product; Cassava peel cake with a little bit moisture content. Close to 45% moist.
Now, the cassava peel cake can be used to feed goats, cattle and pigs and can be left for 7days without spoiling.
Producing dried mash from cassava peel cake
Intermediate cassava peel cake is grated to reduce the granularity of the material and improve it’s flow through a sieve.
The result is then sieved. Sieving separates the cake to fine fraction lowering fibre, high in energy from a coarse fraction higher in fibre, lower in energy content resulting in fine and good mash.
The processed mash is then dried 6 to 8 hours by spreading on commonly available spaces. On rainy days, it can be toasted on a metal pan.
It should be less than 15% moisture before bagging. After which it can last for 4 to 6 months without spoiling.
Hence, 3 products are achieved through transforming cassava peels into animal feed
1. Cassava peel cake: for feeding cattle, sheep, goat and pigs.
2. Dried fine mash: for feeding poultry, fish, pig.
3. Dried coarse mash: for feeding sheep, cattle, goats and pigs.