Chitosan improves the chemical composition, microbiological quality, and aerobic stability of sugarcane silage

Gandra, Jefferson Rodrigues; Oliveira, Euclides Reuter de; Takiya, Caio Seiti; Goes, Rafael Henrique de Tonissi e Buschinelli de; Paiva, Pablo Gomes de; Oliveira, Kelly Mari Pires de; Gandra, E.R.S.; Orbach, N. D.; Haraki, H.M.C.

doi:10.1016/j.anifeedsci.2016.02.020

Cited by 34 publications

(34 citation statements)

References 40 publications

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“…Gandra et al. () also found a positive effect of chitosan on silage pH after aerobic exposure. These authors associated this effect with the lower fibre content of the tested silage, which enhanced the microbial action.…”

Section: Discussionmentioning

confidence: 88%

“…Gandra et al. () found increased DM content, lower total losses and improved in vitro neutral detergent fibre (NDF) degradation of sugarcane silage with chitosan use. However, there is still limited information on the use of chitosan as an antimicrobial in forage silage.…”

Section: Introductionmentioning

confidence: 99%

“…Recently, Gandra et al (2016) proposed chitosan as an additive to sugarcane silage. This polymer is obtained from chitin, which composes the exoskeleton of crustaceans and insects, being the second most abundant biopolymer in nature after cellulose (Senel & McClure, 2004).…”

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confidence: 99%

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Effect of chitosan on the preservation quality of sugarcane silage

Valle

Zenatti

Antônio

et al. 2018

Grass and Forage Science

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We aimed to evaluate the effects of chitosan and microbial inoculant addition to sugarcane silage fermentation, gas and effluent losses, chemical composition, in situ dry matter (DM), neutral detergent fibre (NDF) degradation and aerobic stability. A completely randomized design with four treatments (n = 40) was performed. It was arranged in a 2 × 2 factorial scheme with chitosan [0 and 6 g/kg of sugarcane DM—1.66 g/kg of natural matter (NM)] and microbial inoculant (0 and 8 mg/kg on NM). Each g of inoculant contained 3.9 × 1010 UFC/g of Pediococcus acidilactici and 3.75 × 1010 UFC/g of Propionibacterium acidicipropionici. The addition of microbial inoculant increased lactic acid concentration in silos treated with chitosan. Furthermore, chitosan increased pH and tended to increase acetic acid of silage. In contrast, the inoculant decreased pH and acetic acid, besides increasing ethanol concentration. As chitosan addition increased DM recovery, inoculant addition decreased it. Chitosan decreased NDF and acid detergent fibre (ADF) level and increased DM degradation, while inoculant decreased DM content, DM and NDF degradation. In addition, chitosan improved the aerobic stability only in non‐inoculated silos. Thus, chitosan has a positive effect on silage fermentation, reducing fermentative losses, and improving silage chemical composition and degradation. Conversely, the addition of microbial inoculant negatively affected silage DM recovery, chemical composition, and its association with chitosan decreased the aerobic stability when compared to the exclusive use of chitosan.

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Section: Discussionmentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

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Effect of chitosan on the preservation quality of sugarcane silage

Valle

Zenatti

Antônio

et al. 2018

Grass and Forage Science

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“…After opening the silos, the silage, silo, foam and sand were weighed to quantify losses by effluents. Losses through gas, effluents and dry matter recovery rate were calculated using the equations proposed by Gandra et al (2016).…”

Section: Methodsmentioning

confidence: 99%

<b>Fermentative characteristics and nutritional value of elephant grass silage added with dehydrated banana peel

Brant

Pimentel

Rigueira

et al. 2017

Acta Sci. Anim. Sci.

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ABSTRACT. The aim of this study was to evaluate the fermentative losses and nutritional value of elephant grass silages with the increasing of inclusion levels of dehydrated banana peel. The experiment was conducted in a completely randomized design, with six treatments and four replications, being the silage exclusively from elephant grass, and five levels of inclusion of banana peel to the elephant grass silage, as the following -5; 10; 15; 20 and 25%, being added based on natural matter. The addition of the banana peel in the silage reduced linearly (p < 0.05) the pH, the ammoniacal nitrogen and the losses of the fermentative process. In addition, the inclusion of banana peel increased linearly (p < 0.05) the dry matter and non-fibrous carbohydrates. On the other hand, the neutral detergent fiber and the acid detergent fiber were linearly reduced with the inclusion of the banana peel (p < 0.05), but there was no change in the dry matter digestibility in situ. The inclusion of dehydrated banana peel in elephant grass silage reduces the losses of the fermentation process with more consistent results at the 25% inclusion level, however, it reduces the silage nutritional value due to fibrous and protein quality.Keywords: co-product, fermentation, Musa, Pennisetum purpureum.Características fermentativas e valor nutricional da silagem de capim-elefante aditivada com casca de banana desidratada RESUMO. Objetivou-se com este estudo avaliar as perdas fermentativas e o valor nutricional das silagens de capim-elefante com níveis crescentes de inclusão da casca de banana desidratada. O experimento foi conduzido em delineamento inteiramente casualizado, com seis tratamentos e quatro repetições, sendo silagem exclusiva de capim-elefante e cinco níveis de inclusão da casca de banana à silagem de capimelefante -5; 10; 15; 20 e 25%, sendo adicionada com base na matéria natural. A adição da casca de banana na ensilagem reduziu linearmente (p < 0,05) o pH, nitrogênio amoniacal e as perdas do processo fermentativo. Ademais, a inclusão da casca de banana aumentou de forma linear (p < 0,05) a matéria seca e os carboidratos não fibrosos. Já a fibra em detergente neutro e em detergente ácido reduziu linearmente com inclusão da casca de banana (p < 0,05), mas não houve alteração na digestibilidade in situ da matéria seca. A inclusão de casca de banana desidratada na ensilagem do capim-elefante reduz as perdas do processo fermentativo com resultados mais consistentes no nível de 25% de inclusão, entretanto, reduz o valor nutricional por detrimento da qualidade fibrosa e proteica.

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“…For large herds, this technique becomes impractical because of the operational difficulties and labor shortages that are involved in the daily processing of this roughage feed (Sethanan and Neungmatcha 2016). The silage is therefore used to facilitate large-scale work and to provide other benefits; for example, it can be used to supply roughage during dry periods (Nussio et al 2003;Martins et al 2015;Gandra et al 2016) and to reduce production costs.…”

Section: Introductionmentioning

confidence: 99%

Nutritional profiles of three genotypes of sugarcane silage associated with calcium oxide

et al. 2017

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The objective of this study was to evaluate, based on chemical composition and in vitro dry matter (DM) digestibility, silages of different sugarcane genotypes after exposure to different doses of calcium oxide (CaO) and to identify that most appropriate dose for use in ruminant feed. The experiment was conducted using a completely randomized 3 9 4 factorial arrangement with three sugarcane genotypes ('IAC-862480', 'SP-791011' and 'CTC-3') and four levels of the additive CaO (0, 15, 30 and 45 g kg À1 ). A quadratic effect was observed (P < 0.05) for DM content in the silages of genotypes 'SP-791011' and 'CTC-3'. The organic matter content of genotypes 'SP-791011' and 'CTC-3' showed a negative linear effect that was associated with the addition of CaO, which promoted an increase in the mineral matter (MM) content in the silages. There was no effect (P > 0.05) of genotype or an interaction effect between genotype and CaO level on crude protein content in the silages. There was an interaction effect (P < 0.05) between genotype and CaO level on the level of neutral detergent fiber in the studied silages and the development of this interaction revealed a linear decrease in neutral detergent fiber in genotype IAC-86280 and a quadratic effect (P < 0.05) for genotypes 'SP-791011' and 'CTC-3'. Potentially degradable DM (pdDM) values showed a positive quadratic function with maxima at 34.8 g kg À1 CaO. The results obtained for potentially degradable neutral detergent fiber (pdNDF) showed that there was a negative linear effect for genotype 'SP-791011' and a quadratic effect with the maximum critical point for genotypes 'IAC-862480' and 'CTC-3'. Total DM losses decreased with levels of CaO. All genotypes evaluated showed potential for silage production. The addition of CaO in the ensiling of sugarcane at up to 45 g kg À1 reduces gas and effluent losses and increases the DM recovery of the silages.

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Chitosan improves the chemical composition, microbiological quality, and aerobic stability of sugarcane silage

Cited by 34 publications

References 40 publications

Effect of chitosan on the preservation quality of sugarcane silage

Effect of chitosan on the preservation quality of sugarcane silage

<b>Fermentative characteristics and nutritional value of elephant grass silage added with dehydrated banana peel

Nutritional profiles of three genotypes of sugarcane silage associated with calcium oxide

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