Nutrient profile and digestibility of tubers and agro-industrial coproducts determined using an in vitro model of swine

Animal Nutrition
Utsav P Tiwari, R Jha

Abstract

Exploring and evaluating alternative feed ingredients to be used in swine diet is essential due to highly variable cost and limited availability of conventional feed ingredients. Tubers and agro-industrial coproducts could provide the basis for producing affordable swine feed. However, information on the nutritional value of these potential alternative feedstuffs is necessary while considering their use in swine feeding program. Four tubers (purple sweet potato [PSP], okinawan sweet potato, taro and cassava) and 3 coproducts (okara, wheat millrun [WMR] and barley brewers grain [BBG]) were analyzed for their proximate nutrients, starch, fibers and gross energy (GE) content. Two independent in vitro studies were carried out for tubers and coproducts to determine their nutrients digestibility using a 3-step enzymatic assay (which mimics the digestion occurring in the gastrointestinal tract of swine) with 9 replicates of each sample digested in 3 batches equally. All replicate samples were used to determine in vitro dry matter digestibility (IVDDM) while 2 replicates from each batch were used to determine in vitro GE digestibility (IVDGE). Among tubers, CP content was the highest in taro (8.8%) and the lowest in cassava (3.7%), whi...Continue Reading

Citations

Jul 18, 2017·Public Health Nutrition·Maria Laura da Costa LouzadaCarlos Augusto Monteiro
Jun 10, 2020·Public Health Nutrition·Ana Clara DuranAna Paula Bortoletto Martins
Mar 20, 2019·Frontiers in Veterinary Science·Rajesh JhaBenjamin P Willing
Nov 24, 2016·Animal Science Journal = Nihon Chikusan Gakkaihō·Utsav P Tiwari, Rajesh Jha
Nov 27, 2020·Animals : an Open Access Journal From MDPI·Lauren FordPamela J Walsh

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