Is the pigeon pigeon sac and eat soil and mildew?

The pigeon sac is used to eat soil mold pipes, but during the meantime, food and water need to be stopped.Because the accumulation of food is because of poor digestion. If you do not stop eating, you will still accumulate more and more, so that the effect of treatment will not be achieved.During the illness, pigeons often lose their appetite and have less bowel movements. The treatment should be maintained to ensure the high quality of the feed, the cleaning of the water, and the cleaning of the water.Essence