Abstract: Capsule (1) for the electronic identification of ruminants, adapted to be administered orally and to be housed in the animal's second stomach, which comprises a body (2), of ceramic material and provided with a cavity (3) to enclose a data exchange device (4), which is characterized in that it comprises a compound of a non-ferrous element of a density equal to or over 4 g/cm3; it has a specific gravity of over 3; a total weight comprised between 8 g and 90 g; an effective weight between 5 g and 85 g; and it has an oblong shape, which is cylinder-like, with a ratio between the length and the diameter comprised between 3 and 6. The capsule (1) object of the invention, is applicable to animals of different weighs and measurements.

Abstract: The invention provides a system for sealing, comprising: a first capsule (20); a second capsule (30); electronic means (23, 33), for placing in at least one of the capsules, and capable of containing an electronic identity that is remotely interrogatable; and closure means (25-1, 25-2, 25-3, 25-4; 35-1, 35-2, 35-3, 35-4) to seal the two capsules together.