the animal by-products were packed in new packaging preventing any leakage or in packaging which has been cleaned and disinfected before use;
los subproductos animales han sido envasados con material nuevo a prueba de pérdidas o en envases limpiados y desinfectados antes de su uso;
Translate the following text into Spanish:
"the animal by-products were packed in new packaging preventing any leakage or in packaging which has been cleaned and disinfected before use;"
los subproductos animales han sido envasados con material nuevo a prueba de pérdidas o en envases limpiados y desinfectados antes de su uso;