ANN ARBOR, Mich. -

Doctors from BluePearl Veterinary Partners are urging people to stop using and return or discard certain bags of cat food manufactured by Diamond Pet Foods after the company issued a voluntary recall affecting 25 states Sunday.

According to a press release issued by Diamond Pet Foods, the company is recalling certain bags of Premium Edge Finicky Adult Cat Formula dry cat food, Premium Edge Senior Cat Hairball Management Formula dry cat food, Premium Edge Kitten Formula dry cat food, Diamond Naturals Kitten Formula dry cat food and 4health All Life Stages Cat Formula dry cat food after tests conducted by the company indicated the products might have a low level of thiamine (Vitamin B1).

Thiamine is an essential vitamin for cats in maintaining normal nervous system function. Symptoms of thiamine deficiency displayed by an affected cat can be gastrointestinal or neurological in nature. Early signs of thiamine deficiency may include decreased appetite, salivation, vomiting and weight loss. In advanced cases, neurological signs can develop, which may include cervical ventroflexion (bending towards the floor) of the neck, ataxia (difficulty walking), falling, circling and seizures.

Altogether, the products were distributed to customers located in Alabama, Colorado, Connecticut, Florida, Georgia, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia and West Virginia.

People who have the recalled products should return or discard them immediately.

"If you have fed your cat with the affected product and notice your cat is not acting right, take him or her to your family veterinarian as soon as possible,” said Dr. Jim Whitehead, a veterinarian with BluePearl in Michigan. "Of course, if it is an after-hours emergency, we would be glad to help at any one of our locations."

The following products are subject to the recall:
Product Size Production Codes Best By States

Premium Edge Finicky Adult Cat Formula 18 lb. bags NGF0703 10-Jul-2013 Massachusetts

Premium Edge Finicky Adult Cat Formula 6 lb. bags NGF0802 15-Aug-2013, 16-Aug-2013 Florida, Massachusetts, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Virginia
Premium Edge Senior Cat Hairball Management Formula 6 lb. and 18 lb. bags NGS0101 03-Jan-2014, 04-Jan-2014 Colorado, Michigan, Minnesota, Missouri, Oklahoma

Premium Edge Senior Cat Hairball Management Formula 6 lb. and 18 lb. bags NGS0702 10-Jul-2013 Florida, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Virginia

Premium Edge Kitten Formula 6 oz. samples, 6 lb. and 18 lb. bags MKT0901 26-Sept-2013 29-Sept-2013 30-Sept-2013 02-Oct-2013 Florida, Massachusetts, Michigan, New York, North Carolina, Ohio, Pennsylvania, South Carolina, Virginia Diamond Naturals Kitten Formula 6 oz. samples and 6 lb. bags MKT0901 30-Sept-2013 Alabama, Florida, Georgia, Indiana, Kentucky, North Carolina, Ohio, Pennsylvania, South Carolina 4health All Life Stages Cat Formula 5 lb. and18 lb. bags NGF0802 14-Aug-2013, 18-Aug-2013 Alabama, Connecticut, Delaware, Florida, Georgia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia