Propylene glycol USP/EP (pharmaceutical grade) is the appropriate grade for this application due to its handling practices.
Propylene glycol USP/EP (pharmaceutical grade), with its inherent property of attracting water, helps keep animal feed moist, fresh and chewy - and thus easier for dogs and livestock to digest. This is of particular economic significance within the livestock industry.
In outdoor livestock farming, the addition of propylene glycol to the feed helps reduce the freezing point of the moisture present within the food, extending the usage of feed even at sub-zero temperatures. For cattle and poultry, (mono) propylene glycol USP/EP (pharmaceutical grade) in the feed is also a readily-available source of energy.
Applications of propylene glycol USP/EP (pharmaceutical grade) as feed additive (E 490) include its use as a(n):
* not approved for use in cat food