Utilization of Potato Processing Waste for Compound Cattle Feed
2013
Dhingra, Devinder | Michael, Mona | Rajput, Hradesh | Chopra, Sangeeta
Feed constitutes about 60–70% of total cost of livestock production. By-products of fruit and vegetable processing industries such as (potato pulp, rejected potato chips, apple pomace, skin/seed of tomatoes etc.) can be used as feed ingredient through proper processing. Compound cattle feed was prepared by partially replacing grain component by the by products of potato processing industry. Feed was prepared by using rejected potato chips (P1) and potato pulp (P2) and compared with the locally available feed (M). P1 with rejected potato chips had the lowest moisture content (10.07%) and maximum ether extract content (17.57%) than Mand P2. Hemicelluloses content was more and cellulose content was observed to be less in P1 and P2 as compared to M. Bulk density and true density, 635.8 kg/m³ and 963.5 kg/m³ were highest for P1 and lowest for P2 (629.9 kg/m³ and 960.06 kg/m³) respectively. P1 and P2 had good pellet durability index, because potato as a feed ingredient also acted as a binder. Physico-chemical characteristics of the feed samples containing by-products of potato processing industry met the required quality standards of compound cattle feed. Potato processing waste could partially replace the grain component in feed pellets.
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