Perfil fermentativo, calidad nutricional y estabilidad aerobia de ensilajes mezclados de hierba elefante (Pennisetum purpureum Schum) y maní forrajero (Arachis pintoi)

Araújo, Cleyton de Almeida; Novaes, Judicael Janderson da Silva; Araújo, Janiele Santos de; Macedo, Amélia de; Silva, Crislane de Souza; Silva, Tamiris da Cruz da; Neto, João Virgínio Emerenciano; Araújo, Gherman Garcia Leal de; Campos, Fleming Sena; Góis, Glayciane Costa

doi:10.21897/rmvz.2549

Cited by 3 publications

(2 citation statements)

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“…As the increase in temperature is related to the dry matter content of the silage [ 21 ], this effect demonstrates that the increase in silage DM promoted an increase in osmotic pressure, which reduced the activity of harmful microorganisms, improving its quality [ 15 ]. However, for the inclusion of gliricidia hay at levels above 20% in cactus pear silage, a reduction in temperature and DTS was observed, as also reported by Araújo et al [ 22 ] when Arachis pintoi was included in elephant grass silage. These authors found that the inclusion of up to 20% Arachis pintoi in silages caused an increase in the temperature and DTS of the silages and associated this result with the reduction in oxygen during fermentation, which tends to reduce the temperature of silages.…”

Section: Discussionsupporting

confidence: 83%

“…According to Marques et al [ 29 ], ether extract below 5% is beneficial so that feed intake by ruminants is not limited. Therefore, the combination of these roughages in the composition of mixed silages was inferred to have balanced the energy value of the silage [ 22 ]. The silages tested here can be used to feed ruminants as they allow for a higher intake by the animals and because they do not present limitations due to excess fiber, low protein concentration, or high energy concentration [ 30 ].…”

Section: Discussionmentioning

confidence: 99%

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Fermentation Profile, Aerobic Stability, and Chemical and Mineral Composition of Cactus Pear Silages with Different Inclusion Levels of Gliricidia Hay

de Sá,

de Andrade,

de Araújo

et al. 2024

Plants

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Cactus pear is used in large proportions in diets for small ruminants in semiarid regions. However, its exclusive use is not recommended due to the low fiber and crude protein content and the high water and mineral content, leading to metabolic disorders, low dry matter intake, and weight loss. The use of mixed cactus silage associated with protein and fibrous sources seeks to overcome the deficits in dry matter, fiber and crude protein, aiming to improve the nutritional quality of the diets that will be offered to ruminants. Thus, the use of gliricidia hay in cactus pear silages could represent an important alternative to improve the nutritional and fermentative characteristics of the ensiled material. Therefore, our aim was to evaluate the fermentation dynamics, nutritional characteristics, and aerobic stability of mixed silages of cactus pear combined with different levels of gliricidia hay. This was a completely randomized experimental design with five treatments and five repetitions. The treatments consisted of different levels of inclusion of gliricidia hay (0, 10, 20, 30, and 40% on a dry matter basis) in the composition of mixed cactus pear silages. The inclusion of gliricidia hay in the composition of mixed silages of cactus pear resulted in a quadratic effect for dry matter recovery, pH, NH3-N, buffering capacity, aerobic stability, ether extract, P, K, Na, and Zn (p < 0.05). There was a reduction in density, effluent losses, maximum pH, mineral matter, non-fiber carbohydrates, Ca, Mg, Fe, and Mn (p < 0.05), and an increase in the time to reach maximum pH as well as an upward trend in pH, dry matter, organic matter, crude protein, neutral detergent fiber, acid detergent fiber, and B (p < 0.05). Under experimental conditions, the inclusion of gliricidia hay between 20 and 30% in cactus pear-based silage provided an improvement to the chemical composition and fermentation parameters of the silages.

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Section: Discussionsupporting

confidence: 83%

Section: Discussionmentioning

confidence: 99%

Fermentation Profile, Aerobic Stability, and Chemical and Mineral Composition of Cactus Pear Silages with Different Inclusion Levels of Gliricidia Hay

de Sá,

de Andrade,

de Araújo

et al. 2024

Plants

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Fermentation profile, nutritional value and aerobic stability of mixed elephant grass and butterfly pea silages

Silva,

Miranda,

Novaes

et al. 2024

Ciênc. anim. bras.

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The aim was to evaluate the effect of butterfly pea inclusion on the fermentation dynamics, nutritional quality and aerobic stability of mixed elephant grass silages. Butterfly pea levels (0, 20, 40, 60 and 80% on a natural matter basis) were added to elephant grass silages. A completely randomized design was adopted, with 5 treatments and 3 replications, totaling 15 experimental silos, which were opened after 30 days of fermentation. The inclusion of butterfly pea in elephant grass silages resulted in a quadratic effect for permeability, density, maximum pH, final pH, time to reach maximum temperature and aerobic stability (P<0.05). Butterfly pea inclusion levels increased dry matter recovery, pH, dry matter, organic matter, ether extract, crude protein and total digestible nutrients (P<0.001) and reduced gas and effluent losses, mineral matter, neutral detergent fiber, acid detergent fiber, hemicellulose, cellulose, lignin and total carbohydrates (P<0.001). Inclusions of 40, 60 and 80% of butterfly pea provided temperature increases at 10, 20, 30 and 40 hours. The inclusion of butterfly pea with levels of up to 80% reduces fermentation losses, allows for a nutritional increase and increase in aerobic stability of silages.

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Perfil fermentativo, valor nutricional e estabilidade aeróbia de silagens mistas de capim-elefante e cunhã

Silva,

Miranda,

Novaes

et al. 2024

Ciênc. anim. bras.

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Resumo Objetivou-se avaliar o efeito da inclusão de cunhã na dinâmica fermentativa, qualidade nutricional e estabilidade aeróbia de silagens mistas de capim-elefante. Níveis de cunhã (0, 20, 40, 60 e 80% na matéria natural) foram adicionados às silagens de capim-elefante. Adotou-se o delineamento inteiramente casualizado, com 5 tratamentos e 3 repetições, totalizando 15 silos experimentais, que foram abertos após 30 dias de fermentação. A inclusão de cunhã nas silagens de capim-elefante resultou em efeito quadrático para permeabilidade, densidade, pH máximo, pH final, tempo para atingir a temperatura máxima e estabilidade aeróbia (P<0,05). Níveis de inclusão de cunhã aumentaram a recuperação de matéria seca, pH, matéria seca, matéria orgânica, extrato etéreo, proteína bruta e nutrientes digestíveis totais (P<0,001) e reduziram as perdas por gases e efluentes, matéria mineral, fibra em detergente neutro, fibra em detergente ácido, hemicelulose, celulose, lignina e carboidratos totais (P<0,001). As inclusões de 40, 60 e 80% de cunhã proporcionaram aumentos de temperatura às 10, 20, 30 e 40 horas. A inclusão de cunhã em teores de até 80% reduz as perdas na fermentação, permite incremento nutricional e aumento da estabilidade aeróbica das silagens.

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Perfil fermentativo, calidad nutricional y estabilidad aerobia de ensilajes mezclados de hierba elefante (Pennisetum purpureum Schum) y maní forrajero (Arachis pintoi)

Cited by 3 publications

References 44 publications

Fermentation Profile, Aerobic Stability, and Chemical and Mineral Composition of Cactus Pear Silages with Different Inclusion Levels of Gliricidia Hay

Fermentation Profile, Aerobic Stability, and Chemical and Mineral Composition of Cactus Pear Silages with Different Inclusion Levels of Gliricidia Hay

Fermentation profile, nutritional value and aerobic stability of mixed elephant grass and butterfly pea silages

Perfil fermentativo, valor nutricional e estabilidade aeróbia de silagens mistas de capim-elefante e cunhã

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