Degradation kinetics and assessment of the prediction equation of indigestible fraction of neutral detergent fiber from agroindustrial byproducts

dc.creatorRegadas Filho, José Gilson Louzada
dc.creatorPereira, Elzânia Sales
dc.creatorPimentel, Patrícia Guimarães
dc.creatorOliveira, Tadeu Silva de
dc.creatorCosta, Marcus Roberto Góes Ferreira
dc.creatorMaia, Iana Sérvulo Gomes
dc.date2017-12-14T09:33:52Z
dc.date2017-12-14T09:33:52Z
dc.date2011-09-23
dc.date.accessioned2023-09-27T21:47:39Z
dc.date.available2023-09-27T21:47:39Z
dc.identifier1806-9290
dc.identifierhttp://dx.doi.org/10.1590/S1516-35982011000900022
dc.identifierhttp://www.locus.ufv.br/handle/123456789/14989
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8966223
dc.descriptionThis study aimed at estimating the kinetic parameters of ruminal degradation of neutral detergent fiber from agroindustrial byproducts of cashew (pulp and cashew nut), passion fruit, melon, pineapple, West Indian cherry, grape, annatto and coconut through the gravimetric technique of nylon bag, and to evaluate the prediction equation of indigestible fraction of neutral detergent fiber suggested by the Cornell Net Carbohydrate and Protein System. Samples of feed crushed to 2 mm were placed in 7 × 14 cm nylon bags with porosity of 50 µm in a ratio of 20 g DM/cm² and incubated in duplicate in the rumen of a heifer at 0, 3, 6, 9, 12, 16, 24, 36, 48, 72, 96 and 144 hours. The incubation residues were analyzed for NDF content and evaluated by a non-linear logistic model. The evaluation process of predicting the indigestible fraction of NDF was carried out through adjustment of linear regression models between predicted and observed values. There was a wide variation in the degradation parameters of NDF among byproducts. The degradation rate of NDF ranged from 0.0267 h-1 to 0.0971 h-1 for grape and West Indian cherry, respectively. The potentially digestible fraction of NDF ranged from 4.17 to 90.67%, respectively, for melon and coconut byproducts. The CNCPS equation was sensitive to predict the indigestible fraction of neutral detergent fiber of the byproducts. However, due to the high value of the mean squared error of prediction, such estimates are very variable; hence the most suitable would be estimation by biological methods.
dc.formatpdf
dc.formatapplication/pdf
dc.languageeng
dc.publisherRevista Brasileira de Zootecnia
dc.relationv. 40, n. 9, p. 1997-2004, Sept. 2011
dc.rightsOpen Access
dc.subjectCNCPS
dc.subjectFeed
dc.subjectFruit
dc.subjectRuminants
dc.titleDegradation kinetics and assessment of the prediction equation of indigestible fraction of neutral detergent fiber from agroindustrial byproducts
dc.typeArtigo


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