public void AddAnimal(AnimalRecord record)
        {
            SelectedAnimal existingAnimal = FindSelectedAnimal(record.Key);

            if (existingAnimal != null)
            {
                existingAnimal.Count++;
            }
            else
            {
                SelectedAnimal animal = new SelectedAnimal();
                animal.Record = record;
                animal.Count  = 1;
                animals.Add(animal);
            }
        }
 public void RemoveAnimal(SelectedAnimal animal)
 {
     animalsToRemove.Add(animal);
 }