Safety of Lancer® (lanthanide citrate) as a zootechnical additive for weaned piglets

lanthanide citrate, Lancer®, zootechnical additive, weaned piglets, safety
First published in the EFSA Journal
16. Dezember 2019
12. November 2019
Scientific Opinion


Following a request from the European Commission, the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the additional data submitted on Lancer® when used as a feed additive for weaned piglets. The FEEDAP Panel considered that uncertainty still remains on possible developmental neurotoxicity of Lancer® since it was unable to identify a no observed adverse effect level (NOAEL) for this specific endpoint applying a read‐across strategy from the studies provided by the applicant. However, the FEEDAP Panel considered that the exposure to La and Ce from products of animals treated with Lancer® at 250 mg/kg feed would not add a significant contribution to the background exposure of these elements. The FEEDAP Panel concluded that the use of Lancer® in feed for weaned piglets (up to 120 days) according to the proposed conditions of use, does not represent a safety concern for the consumer and for the environment.

Lanthanum citrate
Cas: 3002-52-6
Inchi: InChI=1S/C6H8O7.La/c7-3(8)1-6(13,5(11)12)2-4(9)10;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);/q;+3/p-3
Iupac: 2-Hydroxypropane-1,2,3-tricarboxylate;lanthanum(3+)
Cerium citrate
Cas: 512-24-3
Inchi: InChI=1S/C6H8O7.Ce/c7-2-6(4(10)11,5(12)13)1-3(8)9;/h7H,1-2H2,(H,8,9)(H,10,11)(H,12,13);/q;+3/p-3
Iupac: Cerium(3+);1-(hydroxymethyl)ethane-1,1,2-tricarboxylate

Panel members at the time of adoption

Giovanna Azimonti, Vasileios Bampidis Maria de Lourdes Bastos, Henrik Christensen, Birgit Dusemund, Maryline Kouba, Mojca Kos Durjava, Marta López‐Alonso, Secundino López Puente, Francesca Marcon, Baltasar Mayo, Alena Pechová, Mariana Petkova, Fernando Ramos, Yolanda Sanz, Roberto Edoardo Villa and Ruud Woutersen.
Panel on Additives and Products or Substances used in Animal Feed
feedap [at]
EFSA Journal 2019;17(12):5912
Question Number
On request from
European Commission