The Global Animal Feed Gaprin Market was valued at USD 57.8 million in 2025 and is projected to reach USD 112.4 million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 7.8% during the forecast period (2024–2034). This robust growth is driven by the escalating global demand for animal protein, the pressing need to replace conventional feed ingredients like soybean and fish meal, and the compelling sustainability credentials of producing single-cell protein from methane. As the industry pivots towards circular economy principles and novel feed solutions, a select group of biotechnology innovators is leading the charge. In this blog, we profile the Top 10 Companies in the Animal Feed Gaprin Industry—a cohort of pioneers and strategic players shaping the future of sustainable animal nutrition.

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🔟 1. Unibio

Headquarters: Copenhagen, Denmark
Key Offering: “Uniprotein” Animal Feed Gaprin

Unibio is a world leader in the commercial-scale production of single-cell protein, utilizing its patented U-Loop® fermentation technology to convert methane into a high-protein feed ingredient. The company’s Uniprotein product is a leading brand of Animal Feed Gaprin, renowned for its high quality and nutritional profile, suitable for a wide range of livestock including fish, poultry, and pigs. Unibio operates a commercial plant in Kalundborg, Denmark, and continues to spearhead market expansion.

Sustainability & Innovation Initiatives:

• Pioneering U-Loop® fermentation technology for gas-to-protein conversion

• Established commercial production with strategic partnerships globally

• Focus on providing feed solutions that reduce the environmental footprint of agriculture

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Animal Feed Gaprin Market – View in Detailed Research Report

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9️⃣ 2. Calysta

Headquarters: Menlo Park, California, USA
Key Offering: “FeedKind” Protein (Methane-based Single-Cell Protein)

Calysta is a prominent global innovator in alternative protein production, developing the FeedKind® protein through microbial fermentation of natural gas. While similar in principle to Gaprin, Calysta’s technology represents a key segment of the broader market. The company has a commercial-scale facility in the UK and is expanding its global footprint to meet demand for sustainable, locally produced feed ingredients, particularly in aquaculture.

Sustainability & Innovation Initiatives:

• Proprietary and scalable fermentation platform using methane-consuming microbes

• Strong focus on aquaculture partnerships and product validation with major feed producers

• Committed to disrupting traditional feed supply chains with a lower-impact alternative

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8️⃣ 3. Prtotelux

Headquarters: Rotterdam, Netherlands
Key Offering: “ProtiLoop” Single-Cell Protein

Prtotelux (ProtiLoop) is a key European innovator focused on scaling up the production of single-cell protein from anaerobic digestate and other feedstocks, aligning with the bioeconomy model. Based in the bio-industrial heartland of the Netherlands, the company is developing its technology to create a circular solution, turning biogas and CO2 into valuable feed protein. Its focus on integration with existing biogas infrastructure positions it strongly in the European market.

Sustainability & Innovation Initiatives:

• Developing technology to integrate single-cell protein production with anaerobic digestion plants

• Emphasis on circularity and valorizing waste streams into premium feed ingredients

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7️⃣ 4. Metanica

Headquarters: Madrid, Spain
Key Offering: High-Purity Single-Cell Protein (SCP) Solutions

Metanica is a research and development-focused company specializing in optimizing fermentation processes to produce high-quality single-cell protein from methane. With a strong base in Spain, the company is advancing the technology and economic viability of microbial protein production, targeting stringent feed quality standards. Their work is crucial for improving yield, purity, and cost-effectiveness, which are essential for widespread market adoption.

Sustainability & Innovation Initiatives:

• R&D focused on advanced bioprocessing and strain enhancement for superior SCP quality

• Collaborating with academic and industrial partners to accelerate technology commercialization

• Addressing technical bottlenecks in large-scale, economically viable production

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Animal Feed Gaprin Market – View in Detailed Research Report

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6️⃣ 5. Giprobiosyntez

Headquarters: Minsk, Belarus
Key Offering: Methanol-based Single-Cell Protein (Historical/R&D Context)

Giprobiosyntez represents a significant historical and technical player in the domain of microbial protein production. While its focus has traditionally been on methanol-based single-cell protein (SCP), its extensive research and pilot-scale experience provide foundational knowledge relevant to the broader methane-based protein market. Its work contributes to the scientific and process engineering understanding vital for the industry’s development.

Sustainability & Innovation Initiatives:

• Deep expertise in the engineering and microbiology of industrial-scale SCP production

• Research into fermentation systems and downstream processing for biomass production

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5️⃣ 6. NovoNutrients

Headquarters: Palo Alto, California, USA
Key Offering: CO2-Based Protein via Hydrogenotrophs

NovoNutrients is a pioneering company converting industrial carbon emissions into high-value feed ingredients using hydrogenotrophic bacteria. While not methane-based, its technology represents a parallel and complementary innovation in the alternative protein-for-feed space. Using CO2 and hydrogen as feedstocks, it produces a protein-rich biomass that could compete with and complement traditional Gaprin, addressing similar sustainability challenges.

Sustainability & Innovation Initiatives:

• Novel platform using CO2 and green hydrogen to produce protein, creating a carbon-negative loop

• Aiming to decarbonize hard-to-abate industries while producing essential food system inputs

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4️⃣ 7. Deep Branch Biotechnology

Headquarters: Nottingham, United Kingdom
Key Offering: “PROTON” Single-Cell Protein from CO2

Deep Branch is a UK-based biotech company transforming CO2 into a novel protein called PROTON, tailored specifically for the aquafeed and livestock feed markets. By using proprietary microbes that consume CO2, the company offers a solution to reduce dependence on soy and fishmeal. Its presence and partnerships with major feed producers like AB Agri position it as a significant influence in the evolving landscape of alternative feed proteins.

Sustainability & Innovation Initiatives:

• Producing protein with up to 70% lower greenhouse gas emissions than soy protein concentrate

• Strategic partnerships to integrate its bioconversion process into existing industrial and agricultural value chains

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3️⃣ 8. String Bio

Headquarters: Bengaluru, India
Key Offering: “String” Platform for Methane to Products

String Bio is an Indian biotechnology firm with a proprietary platform (“STRING”) to convert methane into a range of high-value products, including single-cell protein for animal feed. Operating in a key growth market for animal feed, String Bio aims to leverage locally available biogas from waste to produce sustainable and cost-effective protein, addressing both waste management and feed security challenges in Asia and beyond.

Sustainability & Innovation Initiatives:

• Developing integrated solutions to valorize waste methane from agriculture and industry into feed

• Focus on creating products tailored for the price-sensitive and rapidly growing Asian feed market

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2️⃣ 9. Feed Algae (Archer-Daniels-Midland Company & others engaged in microbial products)

(Representing Major Agribusiness Interest)
Key Offering: Strategic investment and development in alternative feed proteins

The interest and potential involvement of global agribusiness giants like ADM, Cargill, and Evonik cannot be overlooked. While not dedicated Gaprin producers, these companies are actively exploring microbial proteins through venture investment, R&D, and strategic partnerships. Their vast distribution networks, feed formulation expertise, and customer relationships are critical for mainstreaming novel ingredients like Gaprin and scaling up market adoption globally.

Sustainability & Innovation Initiatives:

• Strategic investments in and partnerships with biotech startups in the alternative protein space

• Leveraging global scale to test, validate, and commercialize new feed ingredients

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1️⃣ 10. Academic & Government Research Institutes (e.g., Technical University of Denmark, Wageningen University)

Headquarters: Various (Global Leadership in Research)
Key Offering: Fundamental R&D, Pilot-Scale Validation, and Ecosystem Development

Leading academic and government research institutes are foundational players in the Animal Feed Gaprin ecosystem. Institutions like the Technical University of Denmark (DTU) and Wageningen University & Research (WUR) conduct cutting-edge research on strain development, fermentation optimization, safety testing, and life-cycle analysis. Their work provides the scientific credibility, trains the necessary talent, and de-risks the technology for commercial players, making them indispensable to the industry’s growth.

Sustainability & Innovation Initiatives:

• Pioneering research into novel microbial strains and efficient bioprocess design

• Conducting critical animal feeding trials and nutritional studies to prove efficacy and safety

• Providing neutral, evidence-based assessments of environmental impact and sustainability benefits

Read Full Report:
Animal Feed Gaprin Market – View in Detailed Research Report

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🌍 Outlook: The Future of Animal Feed Gaprin is Circular and Scalable

The Animal Feed Gaprin market is at an exciting inflection point. While production volumes are currently niche compared to traditional proteins, the industry is attracting significant investment to scale up manufacturing, improve cost competitiveness, and integrate with circular economy models.

📈 Key Trends Shaping the Market:

• Technology Scaling & Cost Reduction: Intensive R&D to drive down production costs through enhanced fermentation yields, strain efficiency, and process integration.

• Regulatory Pathway Development: Efforts to establish clear and harmonized global regulatory approvals for novel feed ingredients like Gaprin across major markets.

• Strategic Consolidation & Partnerships: Increasing alliances between nimble biotech innovators and established agri-food corporates to combine technology with market access.

• Diversification of Feedstock: Exploring the use of biogas, stranded methane, and even CO2 alongside natural gas to enhance sustainability credentials and feedstock flexibility.

Read Full Report:
Animal Feed Gaprin Market – View in Detailed Research Report

The companies and institutions profiled above are not just developing a new feed ingredient—they are engineering a fundamentally more sustainable food system by transforming greenhouse gases into nutritious protein.

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