1. Limit drinking water When it is decided to moult, you can stop the water for 1 to 2 days, some require you to stop water for 2 days, then recover, and then stop for 3 days afterwards. This can cause the chickens to be stressed and cause moulting. This method should be used cautiously when the weather is hot, because the water is stopped and the body's ability to dissipate body heat is reduced, the pant becomes worse, and even the dehydration causes death. 2. Limit the feeding of some feeds for several days, some of them feed only whole grain cereal feed in a few days, or they can stop feeding for a period of time before feeding the whole grain cereal feed. The essence is to provide no Balancing the diet causes stress and results in moulting. 3. Limiting the illumination will suddenly reduce the daily illumination time to a level well below the 11-to- 12-hour threshold to cause stress, but it is not easy to open the semi-open house. 4, feeding the drug application of 02% of zinc, continuous feeding for 8 days, almost immediately can raise the egg production rate, according to the current practice, this method works best. And think that zinc oxide is better than zinc sulfate and zinc carbonate. Xi'an complex bio-tech CO.,LTD. , https://www.complexpowder.com