Ronozyme WX
Ronozyme® WX contains xylanase. The product is authorised for use in the EU in poultry for fattening, piglets and pigs for fattening.
Ronozyme® WX is available both as a dry application (CT) (Powder) or as a liquid application (L) (Liquid)
Manufacturer´s main claims
Improves the digestibility of wheat, rye, triticale, barley and cereal by-products
Improves daily weight gain and feed conversion
Table 1. Technical specifications Ronozyme® WX (CT) (Powder)
EU category | Zoo-technical additives |
Functional group of additives | Digestibility enhancer |
Active substance | endo-1,4-beta-xylanase (EC 3.2.1.8) |
Xylanase activity in the product | 1000 FXU / g |
EU approval, minimum content | Piglets: 200 FXU/kg feed Pigs for fattening: 200 FXU/kg feed Poultry for fattening: 100 FXU/kg feed Lactating sows: 200 FXU/kg feed Laying hens: 100 FXU/kg feed |
End of period of EU authorisation | Piglets and pigs for fattening: 4 January 2023 Poultry for fattening: 4 January 2023 Lactating sows: 30 July 2030 Laying hens: 5 August 2030 |
EU code | 4a1607i |
Recommended dosage (CT) | Piglets: 200 - 400 g/tonne feed Pigs for fattening: 200 g/tonne feed Poultry for fattening: 100 - 200 g/tonne feed |
Derived from microorganism | Aspergillus oryzae (DSM 10287) |
Product storage stability | At a temperature of 25°C the product maintains its activity for at least 12 months from the date of manufacture |
Storage stability in feed | No significant losses were observed when feed supplemented with Ronozyme WX was stored at temperatures up to 25°C for three months |
Heat stability | More than 80% of the xylanase activity was left when the feed was pelleted at 95°C (Rasmussen, 2010) |
Package size | 20 kg multi-walled papersacks with plastic in-liner |
Handling | Avoid ingestion, inhalation of dust or direct contact by applying suitable protective measures and personal hygiene |
Producer | Novozymes |
List of references
EFSA (2012). Scientific Opinion on the safety and efficacy of Ronozyme WX (endo-1,4-beta-xylanase) as a feed additive for poultry, piglets (weaned) and pigs for fattening. EFSA Journal 2012; 10(7):2790
EU (2012). Commission implementing Regulation (EU) No 1206/2012 of 14 December 2012 concerning the authorisation of a preparation of endo-1,4-beta-xylanase produced by Aspergillus oryzae (DSM 10287) as a feed additive for poultry for fattening, weaned piglets and pigs for fattening and amending Regulations (EC) No 1332/2004 and (EC) No 2036/2005 (holder of the authorisation DSM Nutritional Products). Official Journal of the European Union. L 347/12-14
EU (2020). Commission implementing Regulation (EU) No 2020/995 of 9 July 2020 concerning the authorisation of a preparation of endo-1,4-beta-xylanase produced by Aspergillus oryzae (DSM 26372) as a feed additive for lactating sows (holder of authorisation DSM Nutritional Products Ltd represented by DSM Nutritional Products Sp. Z o.o). Official Journal of the European Union. L221/84-86
EU (2020). Commission implementing Regulation (EU) No 2020/1034 of 15 July 2020 concerning the authorisation of a preparation of endo-1,4-beta-xylanase produced by Aspergillus oryzae (DSM 26372) as a feed additive for laying hens (holder of authorisation DSM Nutritional Products Ltd represented by DSM Nutritional Products Sp.Z o.o). Official Journal of the European Union. L227/34-36
Rasmussen, D.K. (2010). Forskel i varmestabilitet for fytase- og xylanaseprodukter i foder. Videncenter for Svineproduktion. Meddelelse nr. 875