Fertrell Poultry Nutri-Balancer, Regular Formula, 60 Lb We produce Poultry Nutri-Balancer with specialty materials like North Atlantic Kelp Meal and Direct Fed Microbials offered only by Fertrell. The high quality of this vitamin-mineral supplement is unmatched by competition. Many products look alike, but none can compare to Fertrell. Both formulas of Poultry Nutri-Balancer are manufactured in accordance with the USDA/NOP regulations. NO METHIONINE FORMULA IS AVAILABLE: In this formula of Poultry Nutri-Balancer we removed methionine and replaced it with additional Kelp Meal. It is the same great formula you can come to expect and deserve from Fertrell.