How to raise soybean birds to make a big nature

If you want to make soybeans bigger, you need to replenish the appropriate amount of fruits, vegetables, and coarse grains, etc., and add some vitamins and trace elements to it.But it is best to supplement food, do not make supplement, because the bird's metabolic system is not strong. If you take too much intake, not only does it not help, but it will cause liver and kidney failure.Birds die.