A review of mitigation technologies and management strategies for greenhouse gas and air pollutant emissions in livestock production

Yan, Xiaojie; Ying, Yongfei; Li, Kunkun; Zhang, Qiang; Wang, Kaiying

doi:10.1016/j.jenvman.2024.120028

Cited by 13 publications

(4 citation statements)

References 129 publications

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“…The livestock industry contributes a substantial proportion of greenhouse gas emissions, especially methane released during the digestive processes of ruminants (Yan et al 2024 ). The potential value of dietary microalgae supplementation on the reduction of methane emissions have been studied using different microalgal species, mainly through in vitro assays (Table 5 ), and at least in certain cases the results have indicated a positive effect.…”

Section: Influence Of Dietary Microalgae Supplementation On Ruminant ...mentioning

confidence: 99%

“…Unfortunately, the ongoing rise in our global population is predicted to increase total food demand by 35% to 56% between the years 2010 and 2050 (van Dijk et al 2021 ). The resulting escalation in demand for animal-derived foods will almost certainly trigger the expansion of ruminant livestock production, which, in turn, poses several environmental challenges, such as the potential for a consequent increase in methane emissions (Alexandratos et al 2012 ; Odegard et al 2014 ; Tilman et al 2011 ; Yan et al 2024 ). Given the increasing demand for animal products and a growing awareness of their nutritional value, along with the importance of environmental sustainability in livestock industries and the need to address potential health risks associated with animal production (for a review, see (Gilbert et al 2021 )), there is a dire need for the development of strategies to resolve these issues.…”

Section: Introductionmentioning

confidence: 99%

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Emerging microalgal feed additives for ruminant production and sustainability

Zhu,

Singer,

Guan

et al. 2024

Adv. Biotechnol.

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The global demand for animal-derived foods has led to a substantial expansion in ruminant production, which has raised concerns regarding methane emissions. To address these challenges, microalgal species that are nutritionally-rich and contain bioactive compounds in their biomass have been explored as attractive feed additives for ruminant livestock production. In this review, we discuss the different microalgal species used for this purpose in recent studies, and review the effects of microalgal feed supplements on ruminant growth, performance, health, and product quality, as well as their potential contributions in reducing methane emissions. We also examine the potential complexities of adopting microalgae as feed additives in the ruminant industry.

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Section: Influence Of Dietary Microalgae Supplementation On Ruminant ...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Emerging microalgal feed additives for ruminant production and sustainability

Zhu,

Singer,

Guan

et al. 2024

Adv. Biotechnol.

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“…It is important to note that a single measure may effectively control certain air pollutants while potentially increasing other air pollutants or greenhouse gas emissions. For example, anaerobic digestion, a biological process where bacteria degrade organic matter without oxygen, produces biogas for renewable energy, which can supply onfarm energy needs with lower emissions, but may raise the NH3 emissions of the digestate (Yan et al, 2024). Overall, there are a number of abatement options, but more knowledge about their effectiveness, cost-effectiveness performance, and tradeoffs is required to underpin the development of abatement measures or design of sustainable livestock systems.…”

Section: Livestock Systemsmentioning

confidence: 99%

Opinion: Understanding the impacts of agriculture and food systems on atmospheric chemistry is instrumental to achieving multiple Sustainable Development Goals

Tai,

Luo,

Luo

2024

Preprint

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Abstract. Agriculture and food systems play important roles shaping atmospheric chemistry and air quality, most dominantly via the release of reactive nitrogen (Nr) compounds, but also via agricultural burning, energy use, and cropland and pastureland expansion. In this opinion, we first succinctly review our current understanding of agricultural and food-system emissions of Nr and other atmospherically relevant compounds, their fates and impacts on air quality, human health and terrestrial ecosystems, and how such emissions can be potentially mitigated through better cropland management, livestock management and whole food-system transformation. With that, we highlight important knowledge gaps that warrant more extensive research, and argue that we scientists need to provide a more detailed, process-based understanding of the impacts of agriculture and food systems on atmospheric chemistry, especially as the importance of emissions from other fossil fuel-intensive sectors is fading in the face of regulatory measures worldwide. Such knowledge is necessary to guide food-system transformation in technologically feasible, economically viable, socially inclusive, and environmentally responsible manners, and essential to help society achieve multiple Sustainable Development Goals (SDGs), especially to ensure food security for the people, protect human and ecosystem health, improve farmers’ livelihood, and ultimately help communities achieve socioeconomic and environmental sustainability.

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“…Several studies have emerged globally, focusing on the treatment of swine wastewater (SWW) [5][6][7]. The increasing practice of livestock farming as a significant global economic source has led to the disposal and reuse of agricultural waste in water systems and soils [8,9].…”

Section: Introductionmentioning

confidence: 99%

The Impact of 9 Years of Swine Wastewater Application on the Mineral and Organic Quality of Soil in Various Agricultural Crops

Maciel,

Medeiros,

Machado

et al. 2024

Water

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This study evaluates the long-term effects of swine wastewater (SWW) on relevant parameters for soil fertility, including calcium (Ca), magnesium (Mg), potassium (K) cations, cation exchange capacity (CEC), and organic matter (OM) in an agricultural area with 9 years of crop cultivation. Three types of SWW (raw, after leaving the biodigester, and after the manure plant) were analyzed with four application rates of SWW (0, 100, 200, and 300 m3.ha−1), associated or not with mineral fertilization, resulting in eight treatments. The study found that the long-term use of SWW had significant effects on soil parameters. Principal component analysis (PCA) was used to summarize the data. The soil’s calcium (Ca), magnesium (Mg), and cation exchange capacity (CEC) levels were higher in soybean compared to other crops and natural soil. Similarly, the treatment with 0 m3.ha−1 of pig manure and without mineral fertilization showed higher levels of these nutrients. In contrast, potassium (K) was found in greater quantities in oats, SWW from the biodigester, higher doses of manure, and with mineral fertilization. The crops had a higher organic matter (OM) content compared to the natural soil, with corn and raw SWW showing the most significant increase.

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A review of mitigation technologies and management strategies for greenhouse gas and air pollutant emissions in livestock production

Cited by 13 publications

References 129 publications

Emerging microalgal feed additives for ruminant production and sustainability

Emerging microalgal feed additives for ruminant production and sustainability

Opinion: Understanding the impacts of agriculture and food systems on atmospheric chemistry is instrumental to achieving multiple Sustainable Development Goals

The Impact of 9 Years of Swine Wastewater Application on the Mineral and Organic Quality of Soil in Various Agricultural Crops

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