function initConditionnement(&$PDOdb)
 {
     global $conf;
     if (!empty($conf->asset->enabled)) {
         dol_include_once('/asset/class/asset.class.php');
         $assetType = new TAsset_type();
         $assetType->load_by_fk_product($PDOdb, $this->fk_product);
         $this->conditionnement = $assetType->getDefaultContenance($this->fk_product);
         $this->conditionnement_unit = $assetType->contenance_units;
         $this->measuring_units = $assetType->measuring_units;
     } else {
         $this->measuring_units = 'unit';
         $this->gestion_stock = 'UNIT';
         $this->conditionnement = 1;
     }
 }