500 kgs of collagen type ii (colageno natural type ii, obtained by you from the chicken cartilage housing) // cod. f0900 / f090004 / f090005 // lots nr: 18/0048, 18/0049 (fab: 08/2018 retest: 08/2020, lot: 18/0052 (fab: 09/2018 retest: 09/2020) // level: feeding