I'm not sure of the reference to poultry in particular, but here is the gallon to liter conversion:
3.79 liters = 1 gallon
1 U.S. Gallon is equal to 3.78541178 Liters.
About 3.785 liters per gallon.
One Imperial gallon is about 4.546 liters.
One Canadian gallon equates to 4.54609 liters.
One half gallon is equal to approximately 1.89 liters.
One Imperial gallon is 4.54609 liters.
Four (3.78541) liters per US gallon.
There are approximately 3.785 liters in a gallon. To be more precise, one US gallon is equal to 3.78541 liters. In the UK, one imperial gallon is equivalent to about 4.546 liters.
One gallon is equivalent to approximately 3.785 liters.
One US gallon = 3.785 liters.
One US gallon of diesel equates to 3.78541178 liters. Also, one Imperial gallon equates to 4.54609188 liters.