How long is my brother's throat period?

The eloquent throat period generally takes half a year to one year.To train it, it usually starts from the young birds under the age of 1, prepare the food it likes to eat, and then say a word repeatedly in the morning to learn it.Worm, even if it does not learn, it will be more convenient to give it in the end, and it will be more convenient next time.In addition to teaching in person, you can also teach it with a recorder.