Attractants for automated emission measurement (Greenfeed®) in pasture-based systems

Mombach, M. A.; Carvalho, Perivaldo; Cabral, Luciano da Silva; Rodrigues, Renato de Aragão Ribeiro; Torres, Renato Cristiano; Pereira, D. H.; Pedreira, B. C. e

doi:10.1590/rbz4720170190

R. Bras. Zootec.

2018

DOI: 10.1590/rbz4720170190

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Attractants for automated emission measurement (Greenfeed®) in pasture-based systems

M. A. Mombach

Perivaldo Carvalho

Luciano da Silva Cabral

et al.

Abstract: -This study aimed to evaluate the frequency and intensity of GreenFeed (GF) use by Nellore steers using different attractants in pastures of integrated systems. The attractant protein supplement and Tifton bermudagrass pelleted hay flavored with vanilla were evaluated over a period of 15 days. The pelleted hay stimulated the animals to stay longer in the equipment (24.23 s), with 8% more visits in intervals longer than 30 s in contrast to protein supplement. This indicates that pelleted hay flavored with vanil… Show more

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2024

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Enhancing forage–livestock system productivity and mitigating greenhouse gas emissions via sustainable pasture management of two Brachiaria cultivars

Silva,

Monteiro,

Pedreira

et al. 2024

Crop & Pasture Science

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Context Forage–livestock systems contribute to Brazilian greenhouse gas (GHG) emissions, harming the environment and reducing bioeconomic efficiency. Employing technologies like pasture management is crucial for sustainable mitigation. Aims Our objective was to measure greenhouse gas emissions of beef cattle in forage systems by exploring well-managed Brachiaria hybrid pastures in the Brazilian Amazon Biome. Methods The experimental design was a randomised complete block, with two cultivars: Ipyporã and Mulato II, in four replicates, totalling eight experimental units, and each experimental unit was 1.5 ha. Key results Ipyporã pastures had 88.5% greater herbage mass than Mulato II in January (8350 vs 4430 kg dry mass ha−1). There was no difference between cultivars for soil GHG emissions. The greatest enteric methane and carbon dioxide values were measured in February. In Ipyporã pastures, the average daily gain was 57% and 50% greater than in Mulato II, in February (837 vs 533 g day−1) and March (1054 vs 700 g day−1) respectively. Enteric methane and carbon dioxide were 34% and 48% less respectively in Ipyporã pastures in February. Conclusions Soil GHG emissions in fertilised pastures followed similar patterns across different cultivars, but those with greater production tended to produce more emissions (soil and enteric) due to fertilisation and increased stocking rates. Implications Forage–livestock production systems benefit from adequate grazing and pasture management of two Brachiaria cultivars, resulting in greater productivity compared to GHG emissions. This leads to reduced emissions per unit of product, contributing to the development of a more efficient and sustainable forage–livestock system.

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Enhancing forage–livestock system productivity and mitigating greenhouse gas emissions via sustainable pasture management of two Brachiaria cultivars

Silva,

Monteiro,

Pedreira

et al. 2024

Crop & Pasture Science

View full text Add to dashboard Cite

show abstract

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Attractants for automated emission measurement (Greenfeed®) in pasture-based systems

Cited by 1 publication

References 13 publications

Enhancing forage–livestock system productivity and mitigating greenhouse gas emissions via sustainable pasture management of two Brachiaria cultivars

Enhancing forage–livestock system productivity and mitigating greenhouse gas emissions via sustainable pasture management of two Brachiaria cultivars

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