public function execute()
 {
     try {
         $fieldsVeterinario = array(veterinarioTableClass::ID, veterinarioTableClass::NOMBRE);
         //            $fieldsAnimal = array(
         //                animalTableClass::ID,
         //                animalTableClass::NUMERO
         //            );
         //            $this->objAnimal = animalTableClass::getAll($fieldsAnimal, true);
         $this->objAnimal = animalTableClass::subQuery();
         $this->objVeterinario = veterinarioTableClass::getAll($fieldsVeterinario, true);
         $this->defineView('insert', 'vacunacion', session::getInstance()->getFormatOutput());
     } catch (PDOException $exc) {
         session::getInstance()->setFlash('exc', $exc);
         routing::getInstance()->forward('shfSecurity', 'exception');
     }
 }