Pasture-based rabbit rearing improves meat profile, trims growth
Bottom line
A new study in Animals reports that pasture-based rearing can improve the nutritional profile of rabbit meat, but with a tradeoff in growth performance. Researchers Luigia Bosa, Alessandro Dal Bosco, and Simona Mattioli compared outdoor, pasture-access rabbits in spring and autumn with conventionally cage-reared rabbits over a 48-day period, with all animals slaughtered at 80 days of age. According to the journal summary, outdoor rabbits had lower growth rates, especially in autumn, and lower digestible energy intake, but produced leaner meat with higher levels of n-3 polyunsaturated fatty acids. The paper adds to a growing body of rabbit production research examining whether alternative systems can balance welfare, sustainability, and product quality. (mdpi.com)
Why it matters: For veterinary professionals working with rabbit production systems, the study reinforces a familiar tension: systems designed to improve welfare perception and align with consumer demand may also change nutritional intake, seasonal resilience, and production efficiency. That matters for advising clients on feeding strategy, health monitoring, and environmental management, especially in outdoor systems where forage availability and seasonal conditions can materially affect growth and carcass outcomes. EFSA’s review of rabbit production systems has also noted that conventional cages tend to constrain behavior more, while outdoor and organic systems can introduce different health risks, underscoring the need for management plans that go beyond housing alone. (doi.org)
What to watch: Watch for follow-up work on how genotype, pasture quality, and seasonal management might reduce the growth penalty while preserving meat-quality gains in outdoor rabbit systems. (polipapers.upv.es)
A new rabbit nutrition and production study in Animals suggests that pasture-based rearing may offer a meaningful meat-quality advantage, even as it reduces growth performance. In the study, Luigia Bosa, Alessandro Dal Bosco, and Simona Mattioli evaluated outdoor-reared growing rabbits in spring and autumn over 48 days and compared them with cage-reared rabbits processed at 80 days of age. The journal’s summary says pasture access improved the nutritional profile of the meat, including higher n-3 polyunsaturated fatty acids and leaner muscle, but average daily gain fell, with the biggest drop seen in autumn-reared rabbits. (mdpi.com)
The paper lands in a long-running debate over how rabbit production systems should balance efficiency, welfare, and market expectations. Consumer interest in more sustainable and animal-friendly production has pushed attention toward outdoor, organic, and other alternative systems, but the production consequences have remained uneven across studies. Earlier rabbit research has shown that outdoor or free-range systems can improve some carcass and meat characteristics while also introducing variability in growth, carcass yield, and management demands. (sciencedirect.com)
What appears to distinguish this study is its focus on both season and forage intake. The Animals listing says the researchers tracked forage and energy intake and found that pasture-based rabbits, particularly those reared in autumn, took in less digestible energy, by about 6.20 MJ, alongside reduced daily gain, by as much as 7.24 g per day. At the same time, the meat outcome moved in the opposite direction from the growth outcome: outdoor rabbits produced leaner meat with a more favorable fatty-acid profile, especially for n-3 PUFA content. That pattern is consistent with related rabbit nutrition work from some of the same research networks, which has found that forage-rich or alfalfa-based feeding strategies can improve the nutritional quality of rabbit meat while slightly impairing growth performance. (mdpi.com)
The broader literature helps explain why the findings matter beyond one trial. EFSA’s scientific opinion on rabbits farmed in different production systems concluded that conventional cages are more associated with behavioral restriction, while outdoor and organic systems can shift the welfare burden toward health-related problems. In other words, moving rabbits outdoors may answer one set of welfare concerns while creating others tied to climate exposure, hygiene, disease pressure, and resource variability. Reviews on rabbit carcass and meat quality have likewise emphasized that housing, environmental enrichment, temperature, humidity, and feeding conditions all shape final production outcomes. (doi.org)
Direct outside commentary on this specific paper was limited in the available search results, but the industry and academic direction is clear. Recent reviews describe rabbit production as increasingly constrained by consumer scrutiny around welfare, sustainability, and the role of conventional feed ingredients, while also highlighting the opportunity to improve meat quality through nutrition and husbandry changes. A 2026 welfare review similarly argues that environmental enrichment, appropriate nutrition, disease prevention, and biosecurity need to be integrated, rather than treated as separate issues. (onlinelibrary.wiley.com)
Why it matters: For veterinarians and technical advisers, this is less a story about whether outdoor rearing is “better” and more a reminder that system changes create tradeoffs that need active management. If pet parents and consumers continue to favor products associated with higher welfare and more natural feeding, producers may face pressure to expand alternative systems. Veterinary input will be important in ration design, parasite control, thermal stress mitigation, water quality, and monitoring of body condition and growth, especially across seasons. The study also suggests that autumn conditions may be a weak point for pasture-based systems, which could influence recommendations on stocking density, forage quality, supplementation, and timing of finishing. (mdpi.com)
There’s also a practical nutrition takeaway. Rabbit meat quality is highly responsive to diet composition, particularly when feeding strategies increase beneficial fatty acids or reduce fat deposition. But as prior reviews note, improving meat’s nutritional profile doesn’t automatically preserve performance, so veterinarians advising commercial operations will need to frame these interventions in economic as well as biological terms. The right answer may differ depending on whether the client is targeting commodity production, niche welfare-labeled markets, or local direct-sale channels. (polipapers.upv.es)
What to watch: The next step is whether follow-up studies can identify combinations of breed, pasture management, and supplemental feeding that keep the meat-quality benefit while narrowing the performance gap, particularly in lower-forage or colder seasonal conditions. Related conference and exploratory work suggests that genotype adaptation and grazing behavior may be important variables to watch. (accademiadiagricoltura.it)
Common questions
How did pasture-based rearing affect rabbit growth?
Outdoor, pasture-access rabbits had lower growth rates and lower average daily gain than cage-reared rabbits, with the biggest drop in autumn.Did pasture access change rabbit meat quality?
Yes. The study says outdoor rabbits produced leaner meat with higher levels of n-3 polyunsaturated fatty acids.Was season a factor in the results?
Yes. The growth penalty was especially pronounced in autumn, and autumn-reared rabbits had lower digestible energy intake.What tradeoff did the study highlight?
Pasture-based rearing improved meat nutritional quality, but it reduced growth performance and digestible energy intake.