Silage fermentation profile, chemical composition and economic evaluation of millet and soya bean grown in monocultures and as intercrops

Jahanzad, Emad; Sadeghpour, Amir; Hashemi, Masoud; Afshar, Reza Keshavarz; Hosseini, Masoud; Barker, Allen V.

doi:10.1111/gfs.12216

Cited by 29 publications

(21 citation statements)

References 31 publications

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“…The CP content of the silage was high, ranging from 7.2 to 23.6% with the inclusion of leucaena, due to the higher CP content of leucaena compared to sorghum, our results are in agreement with those of Evangelista et al (2005), who evaluated the chemical composition of the sorghum silage added with up to 40% leucaena and found that the CP content of the silage was elevated from 4.5% to 10.3% with the inclusion of the highest amount of leucaena forage, as well as Jahanzad et al (2016), which also reported a 6% increase in CP content in millet silage with up to 60% soybean inclusion.…”

Section: Resultssupporting

confidence: 91%

“…Differently from NDFcp, ADF content was not influenced by the inclusion of the legume (p > 0.05), and presented a mean value of 33.03% (Table 1). Jahanzad et al (2016) also did not detect difference in ADF content with the inclusion of 40, 50 and 60% soybean into millet silage. In turn, Stella, Peripolli, Prates, and Barcellos (2016) reported a ADF reduction from 35.2% to 30.4% in sorghum silage, with up to 75% soybean inclusion.…”

Section: Resultsmentioning

confidence: 65%

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Quality of sorghum silage with leucaena

Andrade

Moura

Júnior

et al. 2018

Acta Sci. Anim. Sci.

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This study evaluated the effect of increasing levels of leucaena forage in sorghum: forage. In addition to pure sorghum, it was evaluated different levels of inclusion of leucaena (15, 30 and 50%) at the time of ensiling. Forage was ensiled in PVC tubes (100 mm diameter, 500 mm length) under the density of 500 – 600 kg m-3, a total of 20 silos were prepared, which were opened 35 days after ensiling. There was no effect (p > 0.05) of leucaena inclusion levels for pH, water activity (Aw) and total ammonia nitrogen (total NH3-N). There was an increasing linear effect (p < 0.05) for the content of dry matter (DM), crude protein (CP) and lignin that increased from 33.47 to 34.75%, 7.82 to 16.05% and from 7.29 to 9.93%, at the levels from 0 to 50% inclusion of leucaena, respectively. There was a decreasing linear effect (p < 0.05) for neutral detergent fiber corrected for ash and protein (NDFcp) and hemicellulose, which reduced from 56.65 to 48.37% and from 24.07 to 17.67% at the levels of 0 and 50% inclusion, respectively. For the ash content, there was a quadratic effect (p < 0.05), with a maximum at 8.3% with 8.9% inclusion of leucaena. The inclusion of up to 50% leucaena into sorghum silage is recommended, because, in addition to maintaining the fermentation quality, it also improved nutritional quality of sorghum silage.

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Section: Resultssupporting

confidence: 91%

Section: Resultsmentioning

confidence: 65%

Quality of sorghum silage with leucaena

Andrade

Moura

Júnior

et al. 2018

Acta Sci. Anim. Sci.

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“…However, plant response to N has been shown to depend on forage species as a result of its genetic constitution or soil and climatic conditions. Jahanzad et al (2015) reported that silage produced from millet–soya bean intercrops exhibited enhanced fermentation, as indicated by their lower pH and higher lactic acid than those observed in the silage from monocultures. They also reported lower ADF and NDF contents in millet–soya bean intercrops than in millet monoculture (Jahanzad et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…Jahanzad et al (2015) reported that silage produced from millet–soya bean intercrops exhibited enhanced fermentation, as indicated by their lower pH and higher lactic acid than those observed in the silage from monocultures. They also reported lower ADF and NDF contents in millet–soya bean intercrops than in millet monoculture (Jahanzad et al, 2015). Lima‐Orozco, Castro‐Alegría, and Fievez (2012) showed that sorghum–soybean intercrops provided a high‐quality ruminant feed for the tropical dry season intercrops since soybean compensates for the low CP content of sorghum, while sorghum allows good silage quality in combination with legumes.…”

Section: Introductionmentioning

confidence: 99%

Millet forage yield and silage quality as affected by water and nitrogen application at different sowing dates

Nematpour

Eshghizadeh

Zahedi

et al. 2020

Grass and Forage Science

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This experiment was conducted to evaluate the effects of two irrigation regimes (control and water stress) and two nitrogen (N) levels (0 and 112.5 kg/ha) on forage yield and silage quality in millet. Bastan (Setaria italica (L.) P. Beauv) and Pishahang (Panicum miliaceum) were sown at two different dates during 2015 and 2016. Both cultivars exhibited reduced dry‐matter (DM) yields (45% and 51% in Bastan and Pishahang respectively) due to drought stress. Proline and phenolic contents increased as a result of drought and were significantly and negatively correlated with DM yield and digestibility. Moreover, Pishahang had a reduced acid detergent fibre (ADF) content but improved leaf/stem ratio, digestible dry matter (DDM), relative feed value (RFV), net energy for lactation (NEL), digestibility and silage quality as a result of drought stress, while no significant effects on these traits were observed in Bastan. Silage quality was greatly cultivar‐dependent. Both cultivars had higher levels of DDM, RFV and NEL at early sowing dates. Nitrogen supply had greater positive effects on increasing ash, crude protein (CP) content and DM yield under normal irrigation than under water‐stress conditions. In summary, given the importance of the energy received per unit of forage from an animal husbandry viewpoint and the significance of DM yield per unit area from an agricultural viewpoint, the obtained results might help farmers in choosing not only the best sowing dates but also proper irrigation and N management practices to achieve their quantitative and qualitative objectives in forage production.

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“…Neutral detergent fiber (NDF) decreased with the inclusion of Leucaena in the silage owing to the dilution effect, since the NDF content of the Leucaena forage was lower than that of sorghum. Jahanzad et al (2016) evaluated silage of pearl millet enriched with soybean and observed a reduction in the NDF content, which may be explained by the fact that the legume was less fibrous than pearl millet. The elevated NDF content has a negative correlation with the forage nutritional value and with dry matter intake, considering that a limitation occurs as a result of the physical rumen-fill effect (PIRES et al, 2006).…”

Section: Variablesmentioning

confidence: 99%

Nutritional composition of 'Ponta Negra' forage sorghum silage enriched with dried Leucaena leucocephala forage

Costa

Rodrigues

Araújo

et al. 2019

SCA

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he aim of this study was to evaluate fermentation and chemical characteristics and the in situ degradability of sorghum silages enriched with dried Leucaena. The experiment was conducted as completely randomized design with four treatments (0 - control silage, silage without leucaena; 10.0, 20.0, or 30.0% inclusion of Leucaena) and five replicates, totaling 20 experimental units. The inclusion levels of leucaena influenced (P 0.05), with all silages having values above 90%. Gas loss decreased (P < 0.05) as the level of leucine increased in sorghum silage. A linear increase was observed for dry matter (P ? 0.0001) and crude protein (P = 0.0008) contents in response to Leucaena inclusion. There was a linear (P < 0.05) linear effect on neutral detergent fiber, hemicellulose and acid detergent fiber. As leucaena inclusion levels increased, for each 1% inclusion a reduction of 0.179 was observed; 0.059 and 0.119% for the values of neutral detergent fiber, hemicellulose and acid detergent fiber respectively. The inclusion of leucaena influenced (P < 0.05) the increase of silage lignin levels, probably due to the higher lignin content of the legume. The soluble fraction (a) of the silages increased along with the Leucaena inclusion levels, with highest values observed at the inclusion of 20 and 30% of the legume, respectively. Potential degradation (A) increased linearly with the levels of Leucaena added to the silage; the highest value for this variable was observed at 30% inclusion. Effective degradability (ED) increased up to the inclusion level of 20% (46.77%). Degradation rate (c) decreased markedly with the use of 30% Leucaena. The use of the forage part of Leucaena dried for three hours leads to reduced gas production, increased dry matter and crude protein contents, and decreased fiber contents. The degradability of dry matter increases up to the inclusion level of 20%.

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Silage fermentation profile, chemical composition and economic evaluation of millet and soya bean grown in monocultures and as intercrops

Cited by 29 publications

References 31 publications

Quality of sorghum silage with leucaena

Quality of sorghum silage with leucaena

Millet forage yield and silage quality as affected by water and nitrogen application at different sowing dates

Nutritional composition of 'Ponta Negra' forage sorghum silage enriched with dried Leucaena leucocephala forage

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