Silagem de grãos de milho, com adição de soja: estabilidade aeróbia e desempenho de vacas leiteiras

Três, Tamara Taís; Jobim, Clóves Cabreira; Rossi, Robson Marcelo; Silva, Michele Simili da; Poppi, Edson Carlos

doi:10.1590/s1519-99402014000100002

Cited by 6 publications

(4 citation statements)

References 12 publications

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“…The increase in CP and ash contents (as observed in our trial) enhances buffer capacity in silage, which, coupled with high moisture might hamper the speed of pH drop, extending the fermentation process (Rooke and Hatfield, 2003). However, pH values at silo opening were within normally found in rehydrated grain silages (from 4.0 to 4.5) (Jobim et al, 2010;Tres et al, 2014;Kung Jr. et al, 2018).…”

Section: Discussionsupporting

confidence: 52%

Effect of okara levels on corn grain silage

Três

Bueno

Jobim

et al. 2020

Revista Brasileira De Zootecnia

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We ensiled different levels of okara and ground corn to evaluate the effects on the fermentative pattern, aerobic stability, and chemical composition of resulting silages. The experimental design was completely randomized with four replicates per treatment. The okara levels were (dry matter basis): control (without okara) and 200, 300, 400, and 500 g kg −1 okara, with four replicates per treatment. Control silage did not contain okara, but water was added to adjust the moisture content (400 g kg −1 as fed). Mixtures were ensiled in lab-scale silos and stored for 150 days. Compared with the control silage, okara inclusion linearly increased crude protein (from 89.1 to 251 g kg −1 DM), ether extract (from 39.6 to 136 g kg −1 DM), neutral detergent fiber (from 79.9 to 174 g kg −1 DM), acid detergent fiber (from 22.4 to 119 g kg −1 DM), and ash (from 12.2 to 32.4 g kg −1 DM), whereas decreased dry matter content and in vitro dry matter digestibility (from 830 to 730 g kg −1 DM). The use of okara linearly increased lactic acid concentration but also intensified secondary fermentation. On the other hand, aerobic stability of silages increased due to okara inclusion because of the higher amount of short-chain fatty acids, such as butyric and acetic acids, which accumulated during fermentation. Okara inclusion in corn grain silage must be conditioned to the dry matter content at ensiling, but must not exceed 200 g kg −1 on dry matter basis.

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Section: Discussionsupporting

confidence: 52%

Effect of okara levels on corn grain silage

Três

Bueno

Jobim

et al. 2020

Revista Brasileira De Zootecnia

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“…Measurements of fermentative losses by gases and effluents were carried out according to Jobim, Nussio, Reis and Schmidt (2007). Some of the silo material, after being removed (approximately 1 kg), underwent aerobic stability assessments, according to a previously described method (Tres, Jobim, Rossi, Silva, & Poppi, 2014). The mass temperature was recorded using dataloggers inserted in the removed material at 30-minute intervals over four days.…”

Section: Fermentation Profile and Aerobic Stabilitymentioning

confidence: 99%

Effect of particle size on storage time of hydrated corn grain

Zacaron

Basi

Baggio

et al. 2021

Semina: Ciênc. Agrár.

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Dry ground corn kernels are widely used as sources of energy readily available for microbial synthesis in the rumen. The objective of the present study was to measure the effect of particle size on the storage length of rehydrated and ensiled corn grain. Commercial corn was milled in 2-, 4-, 6-, 8-, and 10-mm sieves, rehydrated until reaching 65% DM, and ensiled for 14, 28, and 56 days, in a completely randomized design with a 5 x 3 factorial arrangement, with six replications per treatment. PVC mini-silos were used, with dimensions of 25 cm height x 10 cm of diameter. The variables DM, MM, CP, NDF, ADF, pH, molds and yeasts count, fermentative losses, in vitro degradability and aerobic stability were subjected to analysis of variance. The Tukey test was used to compare means. LAB counts was subjected to Wilcoxon's non-parametric test, considering significance at p < 0.05. Rehydrated corn silages with smaller particles (2 and 4 mm) showed higher LAB and mold counts, higher levels of CP and EE and higher density at opening silos than that of coarser particles. However, they showed lower percentages of DM, and were susceptible to microbial attack and faster temperature increases than were coarse particles during the chosen storage times. Silage subjected to 56 days of fermentation showed lower contents of NDF, ADF and CP, lower gas losses and lower pH values in aerobiosis, and increased levels of soluble protein (A + B1 fractions), losses by effluents, number of hours to reach maximum temperature, and time to break aerobic stability. Coarse-grind silages subjected to 56 days of storage showed better chemical composition, lower LAB and mold counts, and less susceptibility to microbial degradation when exposed to air.

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“…Essa por definição é a resistência que a massa ensilada oferece a deterioração após ser exposta ao ar (Tres et al, 2014). Vários são os fatores que interferem na estabilidade aeróbia do material, como a concentração de microrganismos aeróbios na silagem, o tempo de exposição ao oxigênio até a completa vedação do silo, a temperatura ambiente, além das características da forragem utilizada (Bolsen, 1995).…”

Section: Visão Geralunclassified

Silagem pré-secada de cereais de inverno em estádio de pré-florescimento: Revisão

Horst¹,

Neumann²,

Mareze³

et al. 2017

Pubvet

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RESUMO.A produção de silagem pré-secada de melhor custo benefício aliando alta produção, valor nutricional e custo de produção são fundamentais para sobrevivência no sistema produtivo. Nesse contexto, os cereais de inverno ganham destaque por serem excelentes para a oferta in natura, ou seja, em pastejo e terem ainda a possibilidade de conservação de seu excedente. O Sul do país ainda comporta muitas áreas ociosas no período de inverno, áreas onde é cultivado milho, safra após safra, sendo esses, outros pontos favoráveis à confecção desse alimento, aumentando a lucratividade e a rotatividade da mesma. Dentre as culturas de inverno mais utilizadas para o feitio de silagem pré-secada destacam-se a aveia preta (Avena strigosa), aveia branca (Avena sativa), cevada (Hordeum vulgare), trigo (Triticum aestivum), centeio (Secale cereale), e o triticale (X Triticosecale).Palavras chave: Aveia, bromatologia, forragem conservada, proteína bruta, triticale Pre-dried silage of winter cereals in pre-flowering stage: A review ABSTRACT. The production of pre-dried silage of better cost benefit with high production, nutritional value and cost of production are fundamental for survival in the productive system. In this context, winter cereals are important because they are excellent for the in natura supply, that is, in grazing and also have the possibility of conserving their surplus. The southern part of the country still contains many idle areas in the winter period, areas where maize is grown, harvest after harvest, and these are other favorable points in the preparation of this food, increasing its profitability and its rotation. Among the winter crops most used for the pre-dried silage species are: oats (Avena strigosa), white oats (Avena sativa), barley (Hordeum vulgare), wheat (Triticum aestivum), rye (Secale cereale), and triticale (X Triticosecale).Keywords: Oat, bromatology, conserved forage, crude protein, triticale Ensilajes pre-secados de cereales de invierno en estadio de prefloración: Una revisión RESUMEN. La producción de ensilaje pre seca de mejor costo beneficio combinando alta producción, valor nutricional y costo de producción son fundamentales para la estabilidad en sistemas de producción. Teniendo en cuenta este contexto, los cereales de invierno ganan destaque porque son excelentes para la oferta In natura es decir, en pastoreo, además de la capacidad de conservar su excedente. El sur del país todavía tiene muchas áreas inactivas en el período de invierno, las zonas donde se cultiva maíz, temporada tras temporada, siendo esto otros puntos favorables para la producción de ese

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Silagem de grãos de milho, com adição de soja: estabilidade aeróbia e desempenho de vacas leiteiras

Cited by 6 publications

References 12 publications

Effect of okara levels on corn grain silage

Effect of okara levels on corn grain silage

Effect of particle size on storage time of hydrated corn grain

Silagem pré-secada de cereais de inverno em estádio de pré-florescimento: Revisão

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