public function execute()
 {
     try {
         $fieldsVacunacion = array(carneVacunasTableClass::ACCION, carneVacunasTableClass::ANIMAL, carneVacunasTableClass::DOSIS, carneVacunasTableClass::FECHA_VACUNACION, carneVacunasTableClass::ID, carneVacunasTableClass::VACUNA, carneVacunasTableClass::VETERINARIO);
         $fieldsAnimal = array(animalTableClass::ID, animalTableClass::NUMERO);
         $fieldsVacuna = array(vacunaTableClass::ID, vacunaTableClass::NOMBRE_VACUNA);
         $fieldsVeterinario = array(veterinarioTableClass::ID, veterinarioTableClass::NOMBRE);
         $where = array(carneVacunasTableClass::ID => request::getInstance()->getRequest(carneVacunasTableClass::ID, true));
         $this->objAnimal = animalTableClass::getAll($fieldsAnimal, true);
         $this->objVacuna = vacunaTableClass::getAll($fieldsVacuna, true);
         $this->objVeterinario = veterinarioTableClass::getAll($fieldsVeterinario, true);
         $this->objCarne = carneVacunasTableClass::getAll($fieldsVacunacion, true, null, null, null, null, $where);
         $this->defineView('editVacunacion', 'animal', session::getInstance()->getFormatOutput());
     } catch (PDOException $exc) {
         session::getInstance()->setFlash('exc', $exc);
         routing::getInstance()->forward('shfSecurity', 'exception');
     }
 }