Added Ammonia or Microbial Inocula for Fermentation and Nitrogenous Compounds of Alfalfa Ensiled at Various Percents of Dry Matter

Kung, L.; Grieve, D.B.; Thomas, J. W.; Huber, J.T.

doi:10.3168/jds.s0022-0302(84)81302-8

Cited by 133 publications

(77 citation statements)

References 16 publications

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“…Amostras de silagem mantidas congeladas com umidade original foram usadas para obtenção do extrato aquoso (Kung Jr. et al, 1984), no qual foram determinados o pH e os teores de carboidratos solúveis (CHO) (Dubois et al, 1956), nitrogênio amoniacal (Chaney & Marbach, 1962) e ácido lático (adaptado de Pryce, 1969) em espectrofotômetro JENWAY-6405 UV/VIS ® .…”

Section: Methodsunclassified

Aditivos químicos e biológicos na ensilagem de cana-de-açúcar: 1. composição química das silagens, ingestão, digestibilidade e comportamento ingestivo

et al. 2007

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RESUMO -Avaliou-se o efeito da inclusão de aditivos na ensilagem de cana-de-açúcar (Saccharum officinarum L.) sobre a composição químico-bromatológica das silagens, o comportamento ingestivo, o consumo voluntário e a digestibilidade em bovinos de corte. Utilizaram-se cinco novilhos da raça Nelore providos de cânula ruminal, alocados em delineamento quadrado latino 5 × 5 e alimentados com dietas com 65% de volumoso na MS. Foram avaliadas cinco silagens (base úmida):controle -cana-de-açúcar sem aditivos; uréia -cana-de-açúcar + 0,5% uréia; benzoato -cana-de-açúcar + 0,1% de benzoato de sódio; LP -cana-de-açúcar inoculada com Lactobacillus plantarum (1 × 10 6 ufc/g MV); LB -cana-de-açúcar inoculada com L. buchneri (3,6 × 10 5 ufc/g forragem). A forragem foi armazenada em silos do tipo poço por 90 dias antes do fornecimento aos animais. A composição químico-bromatológica da cana-de-açúcar foi alterada após a ensilagem, em relação à cana-de-açúcar original, com redução no teor de carboidratos solúveis e na digestibilidade in vitro e elevação relativa nos teores de FDN e FDA. Os teores de etanol (0,30% da MS) e ácidos orgânicos (0,99% de ácido lático e 2,31% de acético)foram baixos e semelhantes entre as silagens. Os aditivos aplicados na ensilagem não promoveram alterações no consumo e na digestibilidade aparente da MS (7,2 kg/dia e 63,6%, respectivamente). O comportamento ingestivo dos animais também não foi alterado, com tempos médios de 230,6; 519,6 e 672,8 minutos/dia despendidos com ingestão de ração, ruminação e ócio, respectivamente. Os aditivos acrescidos à cana-de-açúcar promoveram pequenas alterações na maioria das variáveis avaliadas.Palavras-chave: ácido lático, benzoato de sódio, etanol, Lactobacillus buchneri, Lactobacillus plantarum, uréia Chemical and biological additives in the ensiling of sugar cane. 1. Chemical composition, dry matter intake, digestibility and ingestive behavior ABSTRACT -The effect of the addition of additives in the ensiling of sugar cane (Saccharum officinarum L.) on chemical composition of silages, ingestive behavior, voluntary feed intake and digestibility by beef steers. Five rumencannulated Nelore steers were allotted to a 5 x 5 latin square design. The steers were placed in metabolic cages and they were fed with diets with 65% forage (%DM). Five silages were evaluated (wet basis): Control -sugar cane, no additives; Urea -sugar cane + 0.5% of urea; Benzoate -sugar cane + 0.1% of sodium benzoate; LP -sugar cane inoculated with -Lactobacillus plantarum (1 x 10 6 cfu/g forage); LB -sugar cane inoculated with L. buchneri (3.6 x 10 5 cfu/g forage). During 90 days, before the animal feeding, the forage was stocked in vertical silos. The chemical composition of sugar cane changed after the ensiling, as compared to fresh sugar cane, with reduction of water soluble carbohydrates and in vitro digestibility and relative increase in the NDF and ADF content. Ethanol (0.30% DM) and organic acids (0.99% of lactic and 2.31% of acetic acid) contents were low and similar among silages. The ad...

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Section: Methodsunclassified

Aditivos químicos e biológicos na ensilagem de cana-de-açúcar: 1. composição química das silagens, ingestão, digestibilidade e comportamento ingestivo

et al. 2007

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“…The neutral detergent fibre (NDF) was analysed using amylase without sulphite (Mertens, 2002), and the acid detergent fibre (ADF) was analysed using the procedure of Van Soest & Robertson (1985). A water extract was made out of the wet samples according to Kung Jr. et al (1984), and its pH was determined. A portion of the water extract was used to determine the lactic acid concentration by the spectrophotometry method (Silva & Queiroz, 2002), the volatile fatty acid concentration was determined by gas chromatography (Wilson, 1971) and the NH 3 -N relation was determined by distillation with potassium hydroxide (KOH) 2N according Fenner (1965) adapted by Vieira (1980).…”

Section: Methodsmentioning

confidence: 99%

Fermentation and aerobic stability of corn silage inoculated with Lactobacillus buchneri

et al. 2012

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-The characteristics of fermentation and aerobic stability were evaluated in corn silage inoculated with different doses of Lactobacillus buchneri. The whole corn plant (300 g/kg DM) was ensiled in quadruplicate laboratory silos (7L). L. buchneri 40788 was applied at 5×10 4 , 1×10 5 , 5×10 5 and 1×10 6 cfu/g of fresh forage. Silages with no additive were used as controls. After 130 d of ensiling, the silages were subjected to an aerobic stability evaluation for 12 days, in which chemical and microbiological parameters as well as the temperature of the silage were measured to determine the aerobic deterioration. The addition of L. buchneri resulted in increased acetic acid concentrations. The number of yeast colonies was low in all treated silages. The pH, lactic and propionic acid concentrations did not differ between silages. Under aerobic conditions, all the treated silages showed a low number of yeasts and a great aerobic stability. Therefore, L. buchneri is effective against yeasts and improves the aerobic stability of corn silage in laboratory silos. However, doses equal or superior to 1×10 5 cfu/g of fresh forage were more efficient in the control of aerobic spoilage.

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“…Ltd., Ballarat, Australia). One bucket was randomly selected to collect samples (200 g) every 24 h to determine DM and pH after silo content was exposed to oxygen (Kung et al, 1984).…”

Section: Aerobic Stabilitymentioning

confidence: 99%

Microbial inoculant and an extract of <i>Trichoderma longibrachiatum</i> with xylanase activity effect on chemical composition, fermentative profile and aerobic stability of guinea grass (<i>Pancium maximum</i> Jacq.) silage

Gandra¹,

Oliveira²,

Goes³

et al. 2017

J. Anim. Feed Sci.

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Added Ammonia or Microbial Inocula for Fermentation and Nitrogenous Compounds of Alfalfa Ensiled at Various Percents of Dry Matter

Cited by 133 publications

References 16 publications

Aditivos químicos e biológicos na ensilagem de cana-de-açúcar: 1. composição química das silagens, ingestão, digestibilidade e comportamento ingestivo

Aditivos químicos e biológicos na ensilagem de cana-de-açúcar: 1. composição química das silagens, ingestão, digestibilidade e comportamento ingestivo

Fermentation and aerobic stability of corn silage inoculated with Lactobacillus buchneri

Microbial inoculant and an extract of <i>Trichoderma longibrachiatum</i> with xylanase activity effect on chemical composition, fermentative profile and aerobic stability of guinea grass (<i>Pancium maximum</i> Jacq.) silage

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