Physicochemical properties to support fibre characterization in monogastric animal nutrition

Abstract

BACKGROUND The aim of the study was to rank conventionally used fibre rich feeds for their physicochemical properties and detect possible correlation between analytical fibre determinations. A total of 22 samples were analysed for proximate fibre values, soluble dietary fibre (SDF), insoluble dietary fibre (IDF), crude protein (CP) and crude ash (CA). Physicochemical properties were determined in vitro by hydration capacity (HC) [water holding capacity (WHC), water binding capacity (WBC), swelling property (SwP)] and buffering capacity [linear buffering rate (LBR)]. RESULTS Fibre content and physicochemical properties varied markedly between the samples. HC was highest for beet pulp and lowest for rice and millet bran. Buffering capacity expressed minimum values for lignocelluloses and maximum values for rape seed hulls. The correlation of methods was positively between WBC, WHC and SwP (r ≤ 0.89; P ≤ 0.003) but not significant for HC and buffering capacity. SwP negatively correlated with crude fibre (CF), neutral detergent fibre (aNDFOM) and IDF (r ≤ −0.48; P ≤ 0.05). WBC and SwP positively correlated with SDF (r ≤ 0.63; P ≤ 0.04). LBR was negatively correlated with CF, aNDFOM, IDF and total dietary fibre (r ≤ −0.55; P ≤ 0.02), but positively with CP (r = 0.53; P = 0.01). CONCLUSION The determination of physicochemical properties is applicable to rank fibre rich feeds, some correlations between fibre analytical measurements and physicochemical properties were detected. © 2019 The Authors. Journal of the Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry

Effect of feeding different levels of lignocellulose on performance, nutrient digestibility, excreta dry matter, and intestinal microbiota in slow growing broilers

“…In another study with dual purpose hens, the feeding of 10% lignocellulose temporally reduced excreta DM content while excreta viscosity was not affected ( Röhe et al., 2020 ). Compared to other insoluble NSP sources, lignocellulose shows a high water holding capacity ( Slama et al., 2019 ). The higher the water holding capacity of a dietary component, the lower the free water content in the digesta ( Takahashi et al., 2009 ).…”

Fibre supply for breeding sows and its effects on social behaviour in group-housed sows and performance during lactation

“…Alfalfa showed with a 338% SC, an almost twice as high SC ability compared to oat fibre with a SC of 175%. The correlation of methods was positive between WBC, WHC and SC for most ingredients and it makes sense to use the physical methods of investigation to rank fibre sources [5]. As our results and the literature show, it is necessary to use the physical parameters to qualify the fibre sources and to design a feed based on these values as well as to Fig.…”

“…For further optimising fibre supply of pigs, physical parameters analysed by standardised, feasible methods could help to develop new dietary concepts. As a study [5] has already shown, there are different methods for investigating feed with regard to their physical parameters such as SC, viscosity and WBC. It is known that the processing of feed such as grinding has an effect on the measurement results in the laboratory [41,42].…”

“…The standard used classification of fibre sources in feedstuffs like CF, seems not to be sufficient to allow any statement to be made about the quality of the raw material or feed in swine diets. The swelling capacity (SC), water binding capacity (WBC) or water holding capacity (WHC) values can be used for fibre characterisation [5]. In general, the digestibility of the fibre varies according to its botanical origin.…”

Nitrógeno no proteico de liberación controlada y Levadura Saccharomyces cerevisiae en vacas lecheras

“…En consideración a fundamentos de digestión y metabolismo de rumiantes, obliga a emprender experiencias que aporten información para mejorar el manejo de la alimentación en bovinos (Arai, 2014). Los asesores en alimentación y criadores de ganado deben acomodar sus recomendaciones y propuestas de raciones, tomando en cuenta los fundamentos de digestión, fisiología de la nutrición, establecer una ración de acuerdo al tipo y nivel de producción de los animales (Slama, et al, 2019).…”