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      Asparagopsis cultivation in Asia-Pacific areas for reducing methane emission from agriculture: Potentials and challenges

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      https://www.riss.kr/link?id=A109796179

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      Methane emissions play a significant role in climate change, second only to carbon dioxide. Although methane's atmospheric concentration is lower than that of carbon dioxide, its radiation absorption capacity is significantly higher. Other than natural sources such as wetlands and organic matter degradation, most methane emissions come from agriculture, primarily through ruminants like cows. Scientists have identified the mechanisms of methane production in cow rumen during digestion, leading to efforts aimed at reducing these emissions. One promising approach is the inclusion of red seaweed species, particularly Asparagopsis, into animal feed. Asparagopsis contains bromoforms that can inhibit methane production. Remarkably, even a small proportion, approximately 0.5% of dried Asparagopsis in feed, can reduce methane emissions from the rumen by up to 95%. This discovery presents a new opportunity for seaweed cultivation. Given the high global population of cows and other ruminants, the demand for Asparagopsis is substantial and requires international cooperation. Asia-Pacific countries have significant advantages in developing Asparagopsis cultivation. Nations such as Japan, Korea, Vietnam, Indonesia, and the Philippines have long-standing traditions of seaweed production, processing, and use. Additionally, the region's climate is well-suited for seaweed cultivation. Coastal fishing communities are experienced in aquaculture, both in ponds and in open seas. Therefore, despite the remaining challenges related to Asparagopsis cultivation, the industry shows great potential for growth.
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      Methane emissions play a significant role in climate change, second only to carbon dioxide. Although methane's atmospheric concentration is lower than that of carbon dioxide, its radiation absorption capacity is significantly higher. Other than natura...

      Methane emissions play a significant role in climate change, second only to carbon dioxide. Although methane's atmospheric concentration is lower than that of carbon dioxide, its radiation absorption capacity is significantly higher. Other than natural sources such as wetlands and organic matter degradation, most methane emissions come from agriculture, primarily through ruminants like cows. Scientists have identified the mechanisms of methane production in cow rumen during digestion, leading to efforts aimed at reducing these emissions. One promising approach is the inclusion of red seaweed species, particularly Asparagopsis, into animal feed. Asparagopsis contains bromoforms that can inhibit methane production. Remarkably, even a small proportion, approximately 0.5% of dried Asparagopsis in feed, can reduce methane emissions from the rumen by up to 95%. This discovery presents a new opportunity for seaweed cultivation. Given the high global population of cows and other ruminants, the demand for Asparagopsis is substantial and requires international cooperation. Asia-Pacific countries have significant advantages in developing Asparagopsis cultivation. Nations such as Japan, Korea, Vietnam, Indonesia, and the Philippines have long-standing traditions of seaweed production, processing, and use. Additionally, the region's climate is well-suited for seaweed cultivation. Coastal fishing communities are experienced in aquaculture, both in ponds and in open seas. Therefore, despite the remaining challenges related to Asparagopsis cultivation, the industry shows great potential for growth.

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