↗ public sourceswww.adisseo.com· 4 studies, 1 independent/mixed
Evidence · strong
The active substance is backed by 4 studies including meta-analyses; the verdict per claim below reflects what the literature actually shows, not the brochure. Strength reflects the active substance, not the brand.
What the manufacturer claims
Free
Captured from the product page, typed and attributed — the producer’s own statements, checked against the literature below.
Physiological
Improves nutrient digestibility and absorption by degrading non-starch polysaccharides (arabinoxylans, beta-glucans)
Economic
Releases extra energy and amino acids, enabling lower-cost feed formulation (including with co-products such as DDGS)
Performance
Improves animal performance
Manufacturer’s own words — not independently verified. The ledger below gives the evidence verdict for each.
Claim ↔ evidence ledger
Verdict free · receipts in Power
Each claim against the studies on the active substance, with the funding split. Open a row for the studies behind the verdict.
Claim
Verdict
Evidence & funding
PhysiologicalImproves nutrient digestibility and absorption by degrading non-starch polysaccharid…
Supported
2 studies · 50% indep
›
Read Digestibility enhancement is EFSA-recognised and independently corroborated for high-NSP diets.
2022
ROVABIO® ADVANCE (xylanase + glucanase) for weaned piglets and pigs for fattening — EFSA FEEDAP opinionEfficacious as a digestibility enhancer at ≈1,800 U xylanase + 1,250 U glucanase/kg feed
EconomicReleases extra energy and amino acids, enabling lower-cost feed formulation (includi…
Supported
1 study · 0% indep
›
Read Energy uplift from co-products is shown mainly in manufacturer/trade data.
2020
Rovabio enzyme efficacy on corn/wheat DDGS in broilers (metabolizable energy uplift)≈+5.5% ME (corn DDGS) and +7.5% ME (wheat DDGS) by degrading added cellulose/arabinoxylans
Read Performance/efficacy underpins the EU authorisation (applicant data).
2025
ROVABIO® ADVANCE for all poultry species — EFSA renewal and extension of authorisationAuthorisation as a digestibility enhancer renewed and extended across poultry species
Bottom line. Rovabio Advance is an EU-authorised NSP enzyme (xylanase + beta-glucanase) in the zootechnical 'digestibility enhancer' group.
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Composition
Free
● Disclosed by manufacturer
carbohydrases — endo-1,4-beta-xylanase + endo-1,3(4)-beta-glucanase (T. versatilis)NSP-degrading enzymes
◆ Referenced — with resolving source
None referenced with a resolving source yet.
Evidence — on the active substance
Table free · full-text in Power
Why these studies The evidence for a proprietary product is the evidence for its active substance. These are the studies (meta-analyses first) behind the verdicts above, with funding labelled.
Year
Study & effect size
Funding
Type
Access
2022
ROVABIO® ADVANCE (xylanase + glucanase) for weaned piglets and pigs for fattening — EFSA FEEDAP opinionEfficacious as a digestibility enhancer at ≈1,800 U xylanase + 1,250 U glucanase/kg feed
ROVABIO® ADVANCE for all poultry species — EFSA renewal and extension of authorisationAuthorisation as a digestibility enhancer renewed and extended across poultry species
Rovabio enzyme efficacy on corn/wheat DDGS in broilers (metabolizable energy uplift)≈+5.5% ME (corn DDGS) and +7.5% ME (wheat DDGS) by degrading added cellulose/arabinoxylans
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Analysis & tools
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The working map a maker won’t give you — built only from the evidence on this page. Nothing here is marketing.
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Open the analyst workbench
Dose benchmark, the independent-vs-sponsored split, the pooled meta-analysis effects, the contradictions and the gaps — all derived from the studies above.
Dose: label vs effective trial range vs EU max
Independence-of-evidence breakdown
Pooled meta-analysis effect sizes
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Dose benchmark
Label / recommended≈1,800 U xylanase + 1,250 U glucanase/kg (piglets)
Effective in trialsPer EU authorisation per species
EU maximumDefined by the authorisation conditions
Benefit is largest in viscous, NSP-rich (wheat/barley/co-product) diets.
EFSA assessed this product’s protected form. Opinion ↗
Discussion — grounded in the evidence
Rovabio Advance is an EU-authorised NSP enzyme (xylanase + beta-glucanase) in the zootechnical 'digestibility enhancer' group.
Its mechanism — degrading arabinoxylans and beta-glucans to lower viscosity and release energy/nutrients — is well established and EFSA-recognised across poultry and pigs.
Independent trials confirm value in high-fibre diets (e.g. sunflower meal); manufacturer/trade data show energy uplift from co-products such as DDGS.
Responses are diet-dependent — largest in viscous, NSP-rich cereals and smaller in low-NSP diets.
Related Rovabio variants (Spiky, Excel, and Advance Phy with phytase) carry their own authorisations and matrices.
Where studies disagree: Enzyme responses depend on diet: the energy/digestibility uplift is largest in NSP-rich (wheat, barley, DDGS, sunflower-meal) diets and smaller in low-NSP diets.
Gaps: Product-specific independent performance trials are fewer than the manufacturer dataset. No single product meta-analysis captured (efficacy is established via EFSA dossiers).
Manufacturer’s stated mechanism (their words): A carbohydrase preparation (xylanase + beta-glucanase) that hydrolyses the non-starch polysaccharides (arabinoxylans, beta-glucans) of cereal-based diets, lowering digesta viscosity and freeing trapped energy and nutrients to improve digestibility and performance.
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Put this beside alternatives on the same active substance (e.g. HMBi / other rumen-protected methionine), and take the data with you.
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