Here is the info on tube feeding https://www.backyardchickens.com/threads/tube-feeding-ducks-updated-5-7-2020.1211994/
For giving the poultry cell give it by syring according to instructions @Jenbirdee gave the link. You can also mix it into the food your giving in tube feeding. Baby bird food is sold at pet stores.
For giving the poultry cell give it by syring according to instructions @Jenbirdee gave the link. You can also mix it into the food your giving in tube feeding. Baby bird food is sold at pet stores.