Silagem de resíduo da extração de amido da mandioca em substituição ao milho moído da ração para ovinos

Gonçalves, J. A.; Zambom, Maximiliane Alavarse; Fernandes, Tatiane; Tinini, Rodrigo Cezar dos Reis; Schmidt, E.; Castagnara, Deise Dalazen; Canabarro, Luan de Oliveira; Cruz, Eduardo Augusto da

doi:10.1590/s1519-99402015000400008

Cited by 5 publications

(1 citation statement)

References 11 publications

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“…There was no difference (P = 0.19) in the total carbohydrates (TC) of silage from the different treatments, whose average grades are close to most of the values reported by Rabelo et al (2014), Tres et al (2014), Gonçalves et al (2015), and Moro et al (2015), whereas in corn silage, the proportions of mineral matter, CP, and ether extract are relatively constant. There was also no difference (P = 0.30) in the non-fiber carbohydrates (NFC) of the treatments.…”

Section: Resultsmentioning

confidence: 55%

Fractionation of carbohydrates and nitrogenous constituents of late-crop corn silages ensiled with different specific masses

Hentz¹,

Velho²,

Nörnberg³

et al. 2017

SCA

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The present study aimed to evaluate the chemical composition of carbohydrates and nitrogenous fractions of late-crop corn silages with different specific masses (SM; 90, 134, 172, and 214 kg dry matter m -3 ). The silage was held in 20-L mini-silos, and the experimental design was completely randomized, with four replications (mini-silos) per treatment. In the present study, differences in the compression (i.e., SM) of corn silages caused changes in the contents of soluble sugar and nitrogenous constituents; however, SM alone did not explain the entire preservation of the ensiled material. ResumoObjetivou-se avaliar alterações bromatológicas sobre as frações glicídicas e nitrogenadas de silagens de milho "safrinha" com diferentes massas específicas (ME) no momento da ensilagem (90, 134, 172 e 214 Kg de MS.m -3 ). A ensilagem foi realizada em minissilos com capacidade de 20 L. O delineamento experimental foi inteiramente casualizado com quatro repetições (minissilos) por tratamento. O fracionamento foi realizado segundo The Cornell Net Carbohydrate and Protein System (CNCPSv5.0). A ME afetou linearmente os teores de extrato etéreo Ŷ = 1,718 + 0,0041*ME (P = 0,009; R 2 = 39,2), açúcares solúveis Ŷ = 0,9502 -0,003445*ME (P < 0,001; R 2 = 59,9) e fibra solúvel Ŷ = -0,4731 + 0,01158*ME (P = 0,025; R 2 = 31,2). Nos carboidratos, a fração B1 apresentou comportamento linear ascendente Ŷ = 14,88 + 0,2566*ME (P = 0,043; R 2 = 38,4) com o aumento da ME, enquanto as demais frações não foram influenciadas. Nos constituintes nitrogenados houve variação no nitrogênio total Ŷ = 2,003 -0,01065*ME + 0,000036*ME 2 (P = 0,041; R 2 = 38,8), no nitrogênio não proteico Ŷ = 1,436 -0,01103*ME + 0,000036*ME 2 (P = 0,060; R 2 = 35,1), no nitrogênio solúvel Ŷ = 1,715 -0,01450*ME + 0,00005*ME 2 (P = 0,024; R 2 = 43,8) e no nitrogênio insolúvel em detergente neutro Ŷ = 0,4979 -0,001057*ME (P < 0,001; R 2 = 70,6), cujos resultados também contribuíram para as diferenças nas frações A Ŷ = 66,47 -0,5291*ME + 0,00174*ME 2 (P = 0,095; R 2 =30,4), B2 Ŷ = 6,78 + 0,05857*ME (P = 0,076; R 2 =20,8) e B3 Ŷ = 19,03 -0,05565*ME (P = 0,018; R 2 = 34,1) do modelo de Cornell. A ME de compactação, de forma isolada, não serve para explicar, na totalidade, a preservação do material ensilado. Diferentes ME causam alterações no teor de açúcares solúveis das silagens de milho e nos constituintes nitrogenados.

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Section: Resultsmentioning

confidence: 55%

Fractionation of carbohydrates and nitrogenous constituents of late-crop corn silages ensiled with different specific masses

Hentz¹,

Velho²,

Nörnberg³

et al. 2017

SCA

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Lambs fed cassava silage with added tamarind residue: Silage quality, intake, digestibility, nitrogen balance, growth performance and carcass quality

Souza

Oliveira

Voltolini

et al. 2018

Animal Feed Science and Technology

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A B S T R A C TThe objective of this study was to evaluate the effects adding tamarind residue to cassava silage on the quality of the silage and its in vitro ruminal fermentation, as well as the growth performance and carcass quality of lambs. A completely randomized design with four inclusion levels (0.00, 100, 200 and 300 g/kg) of tamarind residue (Tamarindus indica L.) added to cassava silage was used. Twenty mini-silos were used to prepare samples of the four treatments (five replicates each), which were opened after 56 days. Forty male lambs were fed cassava silage with added tamarind residue as the roughage and a concentrate (500:500 g/kg of feed) over 85 days. There was no effect of the tamarind residue-added cassava silage on effluent losses and dry matter (DM) recovery rates. However, there were linear and quadratic reductions in pH (P < 0.001) and the crude protein (CP) (P < 0.001), ether extract (EE) (P < 0.001) and ash (P < 0.001) contents and linear and quadratic increases in the DM, neutral detergent fiber (NDF) (P < 0.001), acid detergent fiber (ADF) (P < 0.001), non-fibrous carbohydrate (NFC) (P < 0.001), acid detergent lignin (ADL) (P < 0.001), and tannin (P < 0.001) contents. There was a linear increase in the maximum potential gas production from total carbohydrates and the gas production rate from NFCs (P < 0.001). The production rate of total gases (P < 0.001), lag phase duration (P < 0.001) and DM in vitro degradability (P < 0.001) were all reduced with the addition of tamarind residue in silage. There was no effect of the tamarind residue-added cassava silage on DM, CP, NFC or total digestible nutrient (TDN) intakes (g/d). However, there was a linear increase in the NDF intake (P = 0.042) and a linear reduction in the EE (P = 0.038) intake by lambs. There was an increase in the DM (P < 0.001), CP (P < 0.001), and NDF (P < 0.001) contents. There was linear effect on the DM (P < 0.001), CP (P < 0.001), and NDF (P < 0.001) contents and a positive quadratic on EE (P = 0.018) digestibility. There was linear carcass yield; IVDMD, in vitro dry matter digestibility kinetics over 48 h; LDA, longissimus dorsi area; NDF ap , neutral detergent fiber corrected for ash and protein; m 1 , gas production rates from non fibrous carbohydrates; m 2 , gas production rates from fibrous carbohydrates; mt, total gas production rate; NFCs, non-fibrous carbohydrates; TDNs, total digestible nutrients; vf 1 , maximum potential gas production from non-fibrous carbohydrates; vf 2 , maximum potential gas production from fibrous carbohydrates; vt, maximum potential gas production from total carbohydrates Animal Feed Science and Technology 235 (2018) 50-59 0377-8401/ © 2017 Elsevier B.V. All rights reserved.T increase in nitrogen (N) fecal excretion (P < 0.001) and a quadratic decrease in N urinary (P = 0.018) excretion and N retention (P < 0.001). There was an increase in the hot and cold carcass weights and yields (P < 0.001) and in the Longissimus dorsi area (LDA) (P < 0.001) of the lambs. The addition of 300 g/kg tam...

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Condensed tannin-amended cassava silage: fermentation characteristics, degradation kinetics andin-vitrogas production with rumen liquor

et al. 2017

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The objective of the current research was to evaluate the fermentative characteristics of silage made with the upper third section of cassava (Manihot esculenta) plants with added condensed tannin levels of 0, 25, 50 and 75 g/kg dry matter (DM). The experimental design was a complete randomized design, with treatments arranged in a 4 × 7 factorial (tannin addition levels × days of ensiling). The loss of gas and the presence of moulds observed in the opening days had increased linearly. Fermentative characteristics were decreased by the addition of tannin. Acetic acid content showed a linear increase. Tannin levels had a quadratic effect on gas production at 28 days of ensiling. After 56 days, however, tannin levels had no significant effect on silage gas production. After 28 days of ensiling, the degradability of potentially degradable fraction ‘b’ demonstrated quadratic effect. The same occurred with the fractions ‘a’, ‘b’ which were undegradable after 56 days of ensiling. The addition of condensed tannin lengthened the fermentative stage and caused the silage to stabilize after 56 days of ensiling.

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Silagem de resíduo da extração de amido da mandioca em substituição ao milho moído da ração para ovinos

Cited by 5 publications

References 11 publications

Fractionation of carbohydrates and nitrogenous constituents of late-crop corn silages ensiled with different specific masses

Fractionation of carbohydrates and nitrogenous constituents of late-crop corn silages ensiled with different specific masses

Lambs fed cassava silage with added tamarind residue: Silage quality, intake, digestibility, nitrogen balance, growth performance and carcass quality

Condensed tannin-amended cassava silage: fermentation characteristics, degradation kinetics andin-vitrogas production with rumen liquor

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