The two main constituents of the product Lancer® consist of two rare earth elements, lanthanum (La) and cerium (Ce), in their citrate forms.
Technical specifications Lancer®
| EU category | Zootechnical additive |
| Functional group of additives | Other zootechnical additives |
| Composition | Preparation of lanthanide citrate |
| Active substance | Lanthanide citrate: ≥65% Sodium: 8-12% Chloride: 8-12% Water < 10% |
| EU code | 4d21 |
| EU approval (total content mg/kg complete feed) | Weaned piglets: 250 |
| End of period of EU authorisation | 22 October 2030 |
| Safety and handling | The additive and premixes shall be used with personal protective equipment, including skin, eyes and breathing protection |
| Storage stability | No stability data have been provided. Active substances unlikely to disappear |
| Physical state of product and appearance | The additive has a yellow, dry, crystalline and odourless powder. The relative density is 2.3 g/cm3. All particles in the product are below 100µm. |
| Homogeneity | The capacity of the product to be mixed homogeneously into piglet feed was tested in nine subsamples. The analytical results showed a coefficient of variance of c. 10%. |
| Producer | Treibacher Industrie AG |
List of references
EFSA (2013). Scientific Opinion on the safety and efficacy of Lancer (lanthanide citrate) as feed additive for weaned piglets. EFSA Journal 2013;11(5):3206
EU (2020). Commission Implementing Regulation (EU) 2020/1370 of 1 October 2020 concerning the authorisation of preparation of lanthanide citrate as a feed additive for weaned piglets (holder of authorisation Treibacher Industrie AG). Official Journal of the European Union. L 319/5-7