Ren Grace Ryba

• The economics of aquaculture and fish welfare in Europe: A systematic review, 2025.
• Shrimp and Prawn Welfare in the Wild-Caught Fishing Industry: A Global Review and Recommendations for Research and Policy, 2025, with Shannon M Davis, Tse Yip Fai, and Peter Singer.
• Tiered certification schemes for slower-growing chicken: Can a tiered animal welfare label help the Better Chicken Commitment?, 2025.
• Are slow-growing broiler chickens actually better for animal welfare? Shining light on a poultry welfare concern using a farm-scale economic model, British Poultry Science, 2024, with I. Khire.
• Party politics for animal advocacy: Part 1 – Animal-focused minor political parties, 2023.
• Reminding myself just how awful pain can get (plus, an experiment on myself), 2023. (While I wrote this post in my spare time, it is actually the post that people mention most frequently to me at conferences.)
• Subsidies: Which reforms can help animals?, 2022.

• The economics of aquaculture and fish welfare in Europe: A systematic review, 2025.
• Shrimp and Prawn Welfare in the Wild-Caught Fishing Industry: A Global Review and Recommendations for Research and Policy, 2025, with Shannon M Davis, Tse Yip Fai, and Peter Singer.
• Tiered certification schemes for slower-growing chicken: Can a tiered animal welfare label help the Better Chicken Commitment?, 2025.
• Salmon aquaculture in Chile: Top opportunities to improve fish welfare, 2025, with George Bridgwater.
• Animal advocacy in Canada, 2025, with George Bridgwater & Max Carpendale.
• Animal advocacy in Brazil: Top opportunities for impact, 2025, with George Bridgwater & Max Carpendale.
• Slower-growing broilers and greenhouse gas emissions: Briefing report for animal advocacy organisations, 2024.
• Alternative proteins: What are the best government policies to support the industry?, 2024, with Max Carpendale.
• Farm animal welfare in Ghana, 2024, with George Bridgwater & Max Carpendale.
• Animal welfare in the United States: Opportunities for impact, 2024.
• Global performance indicators: Could they help improve animal welfare policy?, 2024.
• Meat reduction: How much can digital media and mass media help?, 2024.
• Reforming the regulatory framework for animal welfare in Slovenia: An initial look, 2024.
• Modelling the outcomes of animal welfare interventions: One possible approach to the trade-offs between subjective experiences, 2024.
• Reminding myself just how awful pain can get (plus, an experiment on myself), 2023.
• Demodex mites: Large and neglected group of wild animals, 2023 (originally written under a pseudonym).
• Recommendations for optimising the European Chicken Commitment, 2023, with George Bridgwater & Max Carpendale.
• Party politics for animal advocacy: Part 2 – Establishing groups across or within major parties, 2023.
• Party politics for animal advocacy: Part 1 – Animal-focused minor political parties, 2023.
• Farmed animal advocacy in Zimbabwe: Top opportunities for improving animal welfare and community health, 2023, with Max Carpendale, Matthew Blyth & Nadine Grinberg.
• Can the trajectory of meat consumption and production in developing countries be influenced by policy? An agenda for animal advocacy researchers, 2023, with Matthew Blyth.
• Economic evaluation of the transition to cage-free housing on the EU egg and pigmeat industries: A systematic review, 2023.
• Animal welfare during transport: A first look, 2023.
• Farmed fish advocacy in Denmark: Top opportunities for improving the lives of fish, 2023, with George Bridgwater & Max Carpendale..
• Farmed animal advocacy in Uganda: Top opportunities for improving animal welfare and community health, 2022.
• Subsidies: Which reforms can help animals?, 2022.
• Independent Office of Animal Protection, 2022.
• CCTV cameras in slaughterhouses: Modest benefits for animal welfare, 2022.
• Meat tax: Why chickens pay the price, 2022.
• Imports to meet UK animal welfare standards, 2022.
• The challenges with measuring the impact of lobbying, 2022.
• Economic evaluation of humane slaughter methods for farmed fish in Italy; accompanying Greece report, 2022.

Animal welfare

• Breaking free from the trend: Outlier policies promote sustainable poultry practices, Frontiers in Animal Science, 2025, with I. Khire.
• Are slow-growing broiler chickens actually better for animal welfare? Shining light on a poultry welfare concern using a farm-scale economic model, British Poultry Science, 2024, with I. Khire.
• Evaluating the economic impacts of a cage-free animal welfare policy in Southeast Asian and Indian egg production: A systematic review, Evaluation Review, 2024.
• Humane slaughter in Mediterranean sea bass and bream aquaculture: farm characteristics, stakeholder views, and policy implications, Frontiers in Aquaculture, 2024, with K. van Pelt.

Insect farming

• Have the environmental benefits of insect farming been overstated? A critical review, under review, 2025, with C. Biteau et al.
• Beyond the buzz: A review of the prospects of replacing meat consumption with insect-based foods, npj Sustainable Agriculture, 2025, with C. Biteau et al.
• Bugs in the system: The logic of insect farming research is flawed by unfounded assumptions, npj Sustainable Agriculture, 2024, with C. Biteau et al.
• Offshoring insect farms may jeopardise Europe’s food sovereignty, Global Sustainability, 2024.
• Is turning food waste into insect feed an uphill climb? A review of persistent challenges, Sustainable Production and Consumption, 2024, with C. Biteau et al.
• Insect-based livestock feeds are unlikely to become economically viable in the near future, Food and Humanity, 2024, with C. Biteau et al.

Science writing

• Climate donations inspired by evidence-based fundraising, Frontiers in Psychology, 2022, with M. Dry & S. D. Connell.
• Better writing in scientific publications builds reader confidence and understanding, Frontiers in Psychology, 2021, with Z. Doubleday, M. Dry, C. Semmler & S. D. Connell.
• Sparking creativity in science education, The Journal of Creative Behavior, 2021, with J. T. Draper & S. D. Connell.
• How can we boost the impact of publications? Try better writing), Proceedings of the National Academy of Sciences, 2019, with Z. Doubleday & S. D. Connell.

Science and philosophy

• The evolving circle of landscape design, Restoration Ecology, 2023, with M. McQuillan.
• Funding conservation through an emerging social movement, Trends in Ecology and Evolution, 2021, with S. D. Connell.
• Animal minds, social change, and the future of fisheries science, Frontiers in Marine Science, 2021, with S. D. Connell.
• Advancing government legitimacy through the scientific study of sentience, World Futures, 2021, with S. D. Connell.
• How can ecologists thrive during the global environmental crisis? Lessons from the ancient world, Restoration Ecology, 2019, with T. Preston.

Just for fun

• Books are overwhelmingly supportive of transgender identities: Analysing queer literature using a Goodreads web scrape, 2025, with M. Freeling, preprint.
• On the relative contribution of sunlight and air temperature to soil solarisation: Observational evidence from Australia, Soil Science, 2024, with M. McQuillan & R. Smernik.