public PredictionService()
 {
     repoCow             = new CowRepository();
     notificationService = new NotificationService();
     predictionRepo      = new PredictionRepository();
 }
 public DoctorService(DoctorRepository doctorRepository, NotificationService notificationService)
 {
     _doctorRepository    = doctorRepository;
     _notificationService = notificationService;
 }