A survey of whole-plant corn silages from Minas Gerais dairy farms

Santos, Andréia O.; Junior, Gilson Sebastião Dias; Pereira, Marcos Neves; Schwan, Rosane Freitas; Ávila, Carla Luiza da Silva

doi:10.1590/1678-992x-2018-0080

Cited by 5 publications

(5 citation statements)

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“…Data regarding the production of metabolites by strains were analysed using principal component analysis (PCA) using the XL Stat software, version 7.5. The CORR procedure of SAS 9.3 (SAS Institute 2012) was used to analyses the correlation between the data of silage characteristics as dry matter (DM), pH, lactic, acetic, propionic and butyric acids, ethanol, 1,2propanediol and storage time (Santos et al 2020) and LAB species identified in the silages.…”

Section: Discussionmentioning

confidence: 99%

“…For the bacterial isolation experiment, silage samples were selected according to fermentative characteristics of pH and temperature. The total count of yeast, filamentous fungi and bacteria (Enterobacteriaceae and aerobic spore-forming bacteria) were also taken into consideration Santos et al 2020). In this sense, two samples from each region, one of the farms that showed overall the best (the lowest pH, silage temperature, Enterobacteriaceae, aerobic spore-forming bacteria and yeast and filamentous fungi population) and one of the farm that showed the worst characteristics (opposite to the previously mentioned) were selected, making a total of 18 samples.…”

Section: Sampling and Bacterial Isolationmentioning

confidence: 99%

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Lactic acid bacteria diversity in corn silage produced in Minas Gerais (Brazil)

et al. 2019

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Purpose The diversity of lactic acid bacteria (LAB) in silages produced in warm climate countries is not well known. This study aimed to identify and characterise the metabolic and genotypic aspects of autochthonous LAB isolated from corn silage produced in the state of Minas Gerais, Brazil. Methods Eighty-eight LAB were isolated. To evaluate their performance at the strain level, all isolates were distinguished among strains using random amplified polymorphic DNA polymerase chain reaction (RAPD-PCR) and repetitive extragenic palindromic PCR (REP-PCR) techniques. The organic acid and ethanol production were determined by high-performance liquid chromatography (HPLC). Result The fingerprints obtained by RAPD-PCR with a M13 primer were more discriminatory than those obtained with the REP-PCR technique using a (GACA)4 primer. Moreover, 28 representative isolates were identified as Lactobacillus acidophilus, L. buchneri, L. casei, L. diolivorans, L. hilgardii, L. paracasei, L. parafarraginis, L. plantarum, L. rhamnosus, L. zeae and Pediococcus acidilactici. Different fingerprinting profiles between isolates within the same species were observed. However, some strains isolated from different silages showed the same band profile, thus suggesting the presence of clusters with high similar fingerprints in silages from various regions. Conclusion A variation in LAB diversity was observed in the silages of the evaluated regions, with L. rhamnosus and L. buchneri showing the highest distribution. Differences in organic acid production were observed among the strains belonging to the same species. This research contributes to a better understanding of the LAB community present in corn silage produced in warm climates. These strains will be studied as potential silage starters.

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Section: Discussionmentioning

confidence: 99%

Section: Sampling and Bacterial Isolationmentioning

confidence: 99%

Lactic acid bacteria diversity in corn silage produced in Minas Gerais (Brazil)

et al. 2019

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“…Even though not desirable, livestock producers are forced to anticipate the harvest of whole-crop corn for silage production in some cases because of the lack of feed on the farm as a consequence of adverse climatic conditions that compromise feed production, lack of a feeding plan, and so on. Notably, many surveys carried out in Brazil have reported corn silages produced with DM contents lower than 30% ( Daniel et al, 2019 ; Giombelli et al, 2019 ; Santos et al, 2020 ). In this case, where the harvest is anticipated, lower storage times of corn silage should be enough to ensure high starch-D once the starch granules are more susceptible to ruminal fermentation.…”

Section: Introductionmentioning

confidence: 99%

Flint corn silage management: influence of maturity stage, inoculation with Lentilactobacillus buchneri, and storage time on fermentation pattern, aerobic stability, and nutritional characteristics

et al. 2023

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IntroductionHigh quality corn silage depends on factors such as corn type, stage of crop development at harvest time, fermentation time, in addition to use or not of inoculants. This study aimed to investigate the impact of maturity stage, bacterial inoculation, and storage time on fermentation, aerobic stability, and nutritional characteristics of flint corn silage and their implications for corn silage management.MethodsA flint corn hybrid was harvested very early, early, and medium (at 250, 300 and 350 g dry matter (DM)/kg as fed, respectively) and ensiled in mini-silos without (control) or with Lentilactobacillus buchneri CNCM I-4323 at 1 × 105 cfu/g for 120, 240 and 360 d to investigate how these factors interact with each other.Results and discussionThere was only a small increase (7 g/kg starch; p = 0.003) in starch digestibility (starch-D) in the silages stored for 360 d when compared to that stored for 240 d, but with no difference for 120 d. Despite the reduced starch-D (526 vs. 694 g/kg starch; p < 0.001), silages produced from medium harvest had higher (p < 0.001) starch content (317 vs. 137 g/kg DM) and higher amount of digestible starch (169 vs. 98.5 g/kg DM; p < 0.001) compared to very early harvest. The 2-way interactions (inoculation × storage time and maturity × storage time) showed that inoculation of corn silage with L. buchneri increased (p < 0.001) the aerobic stability, and that more mature crop silage had higher aerobic stability (140 h; p = 0.036) than the others (118 and 48.5 h for those silages from very early and early harvest).ConclusionThe storage for a longer time (>120 d) with the goal of increasing silage digestibility did not occur. Harvesting whole-crop flint corn with 300 to 350 g/kg DM is desirable to have higher DM yield and starch accumulation. Inoculation with L. buchneri is recommended to preserve the silage against aerobic deterioration. This study has shown the importance of harvesting flint corn at the right time, and the need for inoculation with L. buchneri to ensure greater yield, starch accumulation, and silage preservation, if 120 days of storage are not exceeded.

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“…As características mais desejáveis em uma cultura para ensilagem são a elevada produção de matéria seca, as altas concentrações de proteína bruta e energia (Santos et al, 2019). Assim, entre as forrageiras utilizadas com o propósito de ensilagem, o milho (Zea mays L.) é a que mais se destaca, em razão do seu valor nutritivo e elevada produção de massa por unidade de área cultivada.…”

Section: Introductionunclassified

Híbridos de milho para utilização como silagem na bovinocultura leiteira

Santos,

Carvalho,

Fulaneti

et al. 2023

OLEL

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Objetivou-se com esse trabalho avaliar e caracterizar o potencial produtivo de híbridos de milho utilizados para produção de silagem, estimando-se a quantidade de leite produzido pela silagem de cada híbrido e o custo operacional para produção de silagem. O experimento foi conduzido na área experimental da Universidade Tecnológica Federal do Paraná (UTFPR, Câmpus Dois Vizinhos). Foram avaliados 30 híbridos do ensaio sul, ciclo superprecoce no ano agrícola 2010/2011. Avaliou-se características bromatológicas e agronômicas dos genótipos, sendo posteriormente utilizadas para realizar a estimativa da produção leiteira e do custo operacional para produção de silagem. Em função dos resultados apresentados pelos genótipos avaliados, conclui-se que a escolha do híbrido para produção de silagem na atividade leiteira, não deve ser baseada apenas nas características bromatológicas e agronômicas, mas deve-se também levar em consideração os parâmetros produtivos e econômicos, nesse caso, verifica-se que o genótipo AL2007A destaca-se dos demais, por apresentar boa produtividade de leite, com reduzido custo operacional.

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A survey of whole-plant corn silages from Minas Gerais dairy farms

Cited by 5 publications

References 35 publications

Lactic acid bacteria diversity in corn silage produced in Minas Gerais (Brazil)

Lactic acid bacteria diversity in corn silage produced in Minas Gerais (Brazil)

Flint corn silage management: influence of maturity stage, inoculation with Lentilactobacillus buchneri, and storage time on fermentation pattern, aerobic stability, and nutritional characteristics

Híbridos de milho para utilização como silagem na bovinocultura leiteira

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