Dark and Yellow Rapeseed Hulls, Soybean Hulls and a Purified Fiber Source: Their Effects on Dry Matter, Energy, Protein and Amino Acid Digestibilities in Cannulated Pigs

Mitaru, B. N.; Blair, R.; Reichert, R.D.; Roe, W. E.

doi:10.2527/jas1984.5961510x

Cited by 39 publications

(29 citation statements)

References 17 publications

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“…Segundo Leterme et al (1992), a celulose possui baixa capacidade de adsorção, não podendo ser comparada com outros materiais fibrosos, como a fibra da alfafa e lignina. Além disto, Mitaru et al (1984) relataram que a fibra é capaz de adsorver aminoácidos e peptídeos, o que prejudica a absorção destes, sendo a intensidade da adsorsão dependente do grau de lignificação. Segundo Shah et al (1982), esta capacidade de adsorção de aminoácidos pode ser devido às propriedades da lignina em formar ligações hidrofóbicas com aminoácidos.…”

Section: Resultsunclassified

Avaliação da perda endógena de aminoácidos, em função de diferentes níveis de fibra para suínos

et al. 2003

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O experimento foi conduzido com o objetivo de avaliar as perdas ileais endógenas de aminoácidos, em função de diferentes níveis de inclusão de fibra em uma dieta isenta de proteína. Foram utilizados oito suínos mestiços, machos castrados, com peso médio inicial de 50,17 ± 4,10 kg, submetidos previamente à cirurgia para implantação de cânula "T" simples, distribuídos em um delineamento experimental de blocos ao acaso, com quatro tratamentos, quatro repetições e um animal por unidade experimental. Os tratamentos consistiram de uma dieta isenta de proteína, com quatro níveis de inclusão de casca de arroz, que proporcionaram níveis de 1,00, 2,00, 3,00 e 4,00% de fibra bruta e, ou, 1,82, 3,64, 5,46 e 7,28% de fibra em detergente neutro. Foram determinados os teores de matéria seca, proteína bruta, cromo e aminoácidos das digestas e das rações experimentais. Observou-se grande variação entre as perdas endógenas de aminoácidos, dentro do mesmo tratamento. Conclui-se que, entre os aminoácidos estudados, apenas a glicina não apresentou resposta significativa aos níveis de inclusão de fibra à dieta isenta de proteína, ocorrendo aumento da perda endógena dos demais aminoácidos, à medida que os níveis de fibra na dieta se elevaram.

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Section: Resultsunclassified

Avaliação da perda endógena de aminoácidos, em função de diferentes níveis de fibra para suínos

et al. 2003

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“…Incrementally exchanging RSM for SBM linearly (Grala et al 1998). Mitaru et al (1984) reported that the fibre of rapeseed hulls decreases ileal digestibilities of all nutrients in pigs. The reduced N digestibility with increasing levels of RSM reported agrees with previous results achieved by Keady and O'Doherty (1996).…”

Section: Discussionmentioning

confidence: 98%

Influence of incrementally substituting dietary soya bean meal for rapeseed meal on nutrient digestibility, nitrogen excretion, growth performance and ammonia emissions from growing-finishing pigs

McDonnell

O’Shea

Figat

et al. 2010

Archives of Animal Nutrition

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A completely randomised design experiment was performed to examine the effects of replacing different levels of soya bean meal (SBM) with rapeseed meal (RSM) on the growth performance, carcass characteristics, apparent nutrient digestibility, nitrogen (N) balance and manure ammonia emissions of growing-finishing pigs. Pigs (n = 336; mean live weight 42.1 kg) were assigned to one of four dietary treatments containing per kg diet: 210 g SBM; 140 g SBM and 70 g RSM; 70 g SBM and 140 g RSM; and 210 g RSM. All diets were formulated on an ileal digestible amino acid, net energy and available phosphorus basis. There was no significant treatment effect on average daily gain, feed intake, feed conversion ratio and carcass characteristics. There was a linear decrease in gross energy digestibility (p < 0.01) as RSM increased at the expense of SBM in the diet. There was a linear decrease in urinary N excretion (p < 0.01), N digestibility (p < 0.05), total N excretion (p < 0.05) and N retention (p < 0.05) with increasing levels of RSM. There was no effect of dietary treatment on manure ammonia emissions. The results of this study indicate that RSM can be used as a direct replacement for SBM with no associated depression in performance, when formulated on an ileal digestible amino acid and net energy basis. Consumption of diets containing incremental levels of RSM linearly decreased urinary N and total N excretion, reflecting the associated decrease in crude protein concentrations.

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“…Even recovery investigations with (+)-catechin as standard substance confirmed these results, so that the reason for these findings is not clear. However, Mitaru et al [26] found also only 0.1 to 0.15% tannins in the hulls of rapeseeds, and Jörgensen et al [27] even found an increase of tannins in fodder mixtures after reduction of a part of the hulls.…”

Section: Resultsmentioning

confidence: 99%

Effect of dehulling on the composition of antinutritive compounds in various cultivars of rapeseed

Matthäus¹

1998

Fett/Lipid

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Dark and Yellow Rapeseed Hulls, Soybean Hulls and a Purified Fiber Source: Their Effects on Dry Matter, Energy, Protein and Amino Acid Digestibilities in Cannulated Pigs

Cited by 39 publications

References 17 publications

Avaliação da perda endógena de aminoácidos, em função de diferentes níveis de fibra para suínos

Avaliação da perda endógena de aminoácidos, em função de diferentes níveis de fibra para suínos

Influence of incrementally substituting dietary soya bean meal for rapeseed meal on nutrient digestibility, nitrogen excretion, growth performance and ammonia emissions from growing-finishing pigs

Effect of dehulling on the composition of antinutritive compounds in various cultivars of rapeseed

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