Kent Nutrition Group is voluntarily recalling some Kent Feeds swine feed products due to insufficient vitamin D levels in premixes it purchased from Tri Ag Supply that were used in those swine feed products.  The recall is being implemented in order to prevent health problems in swine consuming feed products where there is a vitamin D3 deficiency.

According to Kent, the feeds were manufactured between Dec. 1, 2009 and June 7, 2010. Kent Nutrition Group no longer purchases vitamin premix from this supplier.

The firm has been notified by its former vitamin supplier, Tri Ag Supply, that premixes containing insufficient levels of vitamin D3 were sold to Kent Nutrition Group. KNG also has received some reports of swine deaths and rickets in swine that may have consumed Kent Feeds swine products containing the vitamin-deficient ingredients from Tri-Ag. 

The effects of vitamin D deficiency are altered calcium and phosphorus metabolism and the subsequent mineralization of bones. It generally takes 4 to 6 months for signs to show in mature pigs. Signs in mature pigs include poor growth, stiffness, lameness, stiff gait and broken/fractured bones. 

In young pigs, vitamin D deficiency causes rickets, which is characterized by weak bending bones and rear leg problems, and may lead to animal death. Swine having sufficient exposure to natural sunlight and/or other vitamin D3 supplements may not be affected by dietary vitamin D3 deficiency.

View a list of the affected products.

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Source: FDA