Degradabilidade da Matéria Seca e Fibra em Detergente Neutro da Cana-de-açúcar (Saccharum spp) com Diferentes Fontes de Proteína

Carmo, Carolina de Almeida; Berchielli, Telma Teresinha; Andrade, Pedro de; Zeola, Nívea Maria Brancacci Lopes

doi:10.1590/s1516-35982001000800023

Cited by 15 publications

(14 citation statements)

References 5 publications

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“…These rumen pH values are within the ideal range for action of cellulosic bacteria in the rumen (Russel & Wilson, 1996). The influence of urea on rumen pH was reported by Carmo et al (2001), who, in a work with sugar cane containing soybean meal, corn gluten and associations with urea as nitrogen sources, noted that the presence of urea in the diets increased rumen Table 5 -Rumen microorganism composition in bovine fed diets with fresh or ensiled sugar cane and corn silage pH due to the release of ammonium, and that the pH was kept from 6.27 to 6.87, values close to the ones obtained in this experiment.…”

Section: Resultssupporting

confidence: 59%

Total and partial digestibility, rates of digestion obtained with rumen evacuation and microbial protein synthesis in bovines fed fresh or ensiled sugar cane and corn silage

Menezes¹,

Filho²,

Magalhães³

et al. 2011

R. Bras. Zootec.

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-It was evaluated intake, rumen and intestinal digestibility and passage and digestion rates in bovines fed diets constituted of corn silage, crushed sugar cane and given fresh, crushed sugar cane and given after 72 hours of storage, ensiled sugar cane with 1% of calcium oxide and with no treatment and a same concentrate fixed at 1% of body weight. All roughage was corrected to contain 10% of crude protein. It was used five rumen-fistulated bovine with average weight of 240 ± 15 kg, distributed in a 5 × 5 Latin square. Abomasum and total fecal collection and two rumen evacuations were carried out in the morning. Animals fed corn silage based diet presented greater rumen digestibility of the protein and intestinal digestibility of the ether extract, greater intake and passage of dry matter, justifying greater intakes of dry matter and neutral detergent fiber corrected for protein and ash (NDFap). The greatest passage rates in animals fed fresh sugar cane based diet justify greater intakes of dry matter and NDFap in relation to the one observed with sugar cane silage supply. Animal consuming corn silage diets present greater dry matter passage rate and NDFap digestion. Diets with fresh sugar cane, stored or not, favor dry matter passage rate and intake, in relation to ensiled sugar cane. The use of calcium oxide in the ensilage does not improve nutrient digestibility neither passage rate of the diet. Sugar cane stored for 72 hours has digestible traits similar to the ones of fresh sugar cane.Key Words: digestion, dry matter, intake, NDF, passage rate, ruminantsDigestibilidade total e parcial, taxas de digestão obtidas com o esvaziamento ruminal e síntese de proteína microbiana em bovinos alimentados com cana-de-açúcar fresca ou ensilada e silagem de milho RESUMO -Avaliaram-se os consumos, as digestibilidades ruminal e intestinal e as taxas de passagem e de digestão de nutrientes em bovinos alimentados com dietas constituídas de silagem de milho, cana-de-açúcar triturada e fornecida in natura, cana triturada e ofertada após 72 horas de armazenamento, cana-de-açúcar ensilada com 1 % de cal e sem tratamento e um mesmo concentrado fixado em 1% do peso corporal. Todos os volumosos foram corrigidos com ureia/sulfato de amônio para conterem 10% de proteína bruta. Utilizaram-se cinco bovinos fistulados no rúmen, com peso médio de 240 kg ± 15 kg, distribuídos em um quadrado latino 5 × 5. Foram realizadas coletas totais de fezes, abomasal e dois esvaziamentos pela manhã.Os animais alimentados com dietas à base de silagem de milho apresentaram maiores digestibilidades ruminal da proteína e intestinal do extrato etéreo, taxas de ingestão, passagem e de digestão da matéria seca, justificando os maiores consumos de matéria seca e fibra em detergente neutro corrigida para cinzas e proteína (FDNcp). As maiores taxas de passagem nos animais alimentados com dietas à base de cana-de-açúcar in natura justificam os maiores consumos de matéria seca e FDNcp em relação ao observado com o fornecimento de silagens de cana-de-açúca...

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Section: Resultssupporting

confidence: 59%

Total and partial digestibility, rates of digestion obtained with rumen evacuation and microbial protein synthesis in bovines fed fresh or ensiled sugar cane and corn silage

Menezes¹,

Filho²,

Magalhães³

et al. 2011

R. Bras. Zootec.

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“…Data observed for NDF digestibility in the present study (20.0%) was lower than that described in the literature (41.0% to 47.0%) (Tibo et al, 2000;Borges et al, 2008). This effect is probably related to high contents of highly fermentable carbohydrates in diets and to the low quality fibre of sugarcane, which is not much available to ruminal degradation probably because of its low content of protein (Carmo et al, 2001). Also, NDF digestibility could be reduced when ruminal pH remained four hours at values below 6.0 (De Veth and Kolver, 2001).…”

Section: Resultsmentioning

confidence: 99%

Effects of adding a spray-dried polyclonal antibody preparation on ruminal fermentation patterns and digestibility of cows fed high concentrate diets

Bastos¹,

Marino²,

Millen³

et al. 2012

Italian Journal of Animal Science

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The present study aimed to evaluate the effects of different doses of a spray-dried polyclonal antibody preparation against specific ruminal bacteria on rumen fermentation parameters as well as protozoa counts, in situ degradability of sugarcane NDF and total tract apparent digestibility of total diet in cattle fed high concentrate diets. Eight ruminally cannulated cows were used in a replicated 4x4 Latin square design with four periods of 21d. The treatments were T1: 0.0 g/d of PAP-MV, (control); T2: 1.5 g/d of PAP-MV; T3: 3.0 g/d of PAP-MV; T4: 4.5 g/d of PAP-MV. Sample collection for rumen fermentation parameters was carried out at the last day of each period at 0, 2, 4, 6, 8, 10 and 12 h after morning meal. Independently from sampling time, there was no linear or quadratic effect on rumen pH, total concentration of short chain fatty acids, molar proportion of acetate, propionate and butyrate, ammonia nitrogen or lactate. No treatment effects were detected for protozoa counts, in situ degradability of sugarcane NDF and total tract apparent digestibility of total diet. Thus, it can be concluded that different levels of spray-dried PAP-MV were not sufficient to alter rumen environment.

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“…Também para a silagem de milho o valor médio de FDN (49,58%) obtido pelo equipamento ANKOM com os vários saquinhos, aproximou-se daquele obtido pelo método convencional (47,35%). A variação no resultado observada neste ensaio está dentro daquela verificada em dados da literatura para a polpa cítrica e silagem de milho, no entanto, está abaixo da verificada para a cana-de-açúcar e braquiária (FOX et al, 1990;VAN SOEST, 1994;CARVALHO, 1995;FRANCO, 1997a,b;CARMO, 1999); cujos valores de FDN para cana-de-açúcar, capim-braquiária, silagem de milho e polpa cítrica variam de 68,22 a 71,67%, 68,3 a 74,8%, 46,00 a 63,2% e 13,04 a 28,05%, respectivamente.…”

Section: Resultsunclassified

Avaliação da determinação da fibra em detergente neutro e da fibra em detergente ácido pelo sistema ANKOM

Berchielli

Sader²,

Tonani³

et al. 2001

R. Bras. Zootec.

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RESUMO -O objetivo do trabalho foi comparar os valores de fibra em detergente neutro (FDN) e os de fibra em detergente ácido (FDA) obtidos com o equipamento ANKOM e pelo método convencional (Van Soest). No primeiro ensaio foram analisados cinco materiais diferentes (cana-de-açúcar, capim-braquiária, silagem de milho, polpa cítrica e fezes bovina) e testados quatro tipos de saquinhos para filtragem de amostra. O delineamento experimental foi em blocos casualizados, em um fatorial 5x4 (cinco materiais diferentes e quatro tipos de saquinhos de filtragem), com três repetições. As médias obtidas foram comparadas àquelas obtidas com método convencional. No segundo ensaio procurou-se avaliar o efeito da quantidade de amostra por saquinho (0,5; 0,8 e 1,0 g) sobre os teores de FDN e FDA em três tipos de alimentos, utilizando o ANKOM. Neste ensaio, o delineamento experimental foi em blocos casualizados em esquema fatorial 3x3 (três alimentos x três quantidades), com três repetições. Os tipos de saquinhos de filtragem utilizados não influenciaram os teores de FDN nos diferentes alimentos, com exceção das fezes, cujos saquinhos de náilon resultaram em concentrações de FDN inferiores. Não houve diferença entre os valores de FDN e FDA, obtidos pelo equipamento ANKOM ou pelo convencional, para os alimentos estudados, com exceção da polpa cítrica, cujo valor médio de FDA pelo ANKOM foi inferior àquele obtido pelo método convencional. A quantidade não exerceu efeito sobre a concentração de FDN dos alimentos analisados no equipamento ANKOM. Palavras-chave: BrachiariaABSTRACT -The ANKOM filter bag system was compared with the conventional filtration system (Van Soest) to determine acid detergent fiber (ADF) and neutral detergent fiber (NDF) in different materials. In the first experiment five feeds (sugar cane, Marandu grass -Brachiaria brizantha cv. Marandu, corn silage, citrus pulp and cattle feces) and four types of filter bags were compared. A completely randomized block design in a factorial scheme (5x4), with three replications, was used. The means obtained by the ANKOM system were compared with those obtained by the conventional filtration procedure. The sample amount effect (0.5; 0.8; 1.0 g) in each filter bag on ADF and NDF contents was studied in the second experiment, using three feeds and the ANKOM system. In this experiment, a completely randomized blocks design, in a factorial scheme (three feeds x three amount feed) and three replications, was used. The types of filter bag did not affect the NDF content of the different feeds, except for feces, which bags showed smaller NDF contents. There were no statistical differences among NDF or ADF values determined either by the ANKOM or by the conventional filtration procedures for most of the feeds used, except citrus pulp, which had lower ANKOM-ADF values than the conventional procedure. The sample amount did not affect the NDF of the feed determined by the ANKOM System.

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Degradabilidade da Matéria Seca e Fibra em Detergente Neutro da Cana-de-açúcar (Saccharum spp) com Diferentes Fontes de Proteína

Cited by 15 publications

References 5 publications

Total and partial digestibility, rates of digestion obtained with rumen evacuation and microbial protein synthesis in bovines fed fresh or ensiled sugar cane and corn silage

Total and partial digestibility, rates of digestion obtained with rumen evacuation and microbial protein synthesis in bovines fed fresh or ensiled sugar cane and corn silage

Effects of adding a spray-dried polyclonal antibody preparation on ruminal fermentation patterns and digestibility of cows fed high concentrate diets

Avaliação da determinação da fibra em detergente neutro e da fibra em detergente ácido pelo sistema ANKOM

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