Precautions:

If the temperature increases by 3°C when the humidityabove 70% and temperature above 28°C,the additive amount need to increase 20%; Theadditive amount need to increase 50% if the storage time longerthan 30 days; When the additive amount of oil in feed is more than4%, 30% of the amount should be increased accordingly if oilincreases by 1%.