The U.S. Food and Drug Administration (FDA) is advising pet owners and caretakers, veterinarians, and the pet food industry to be aware that pet food and treats made with livestock gullets (meat from the throat region) have the potential to contain thyroid tissue and thyroid hormones. Pets that eat food or treats containing thyroid hormones may develop hyperthyroidism, a disease that is rare in dogs and usually triggered by thyroid cancer.
Symptoms of hyperthyroidism include excessive thirst and urination, weight loss, increased appetite, restlessness, hyperactivity, elevated heart rate, rapid and/or labored breathing, vomiting, and diarrhea. Continued exposure to excess thyroid hormones can cause damage to the heart and in some cases, death.
FDA is issuing this alert now after a recent Center for Veterinary Medicine investigation into reports of three dogs in different households that showed signs of hyperthyroidism. In these cases, extensive testing on all three dogs conducted at a reference laboratory showed elevated thyroid hormone in the blood, but ruled out thyroid cancer. Reference lab interviews with the dogs’ owners revealed that all three dogs had been fed BLUE Wilderness Rocky Mountain Recipe Red Meat Dinner Wet Food for Adult Dogs and/or Wellness 95% Beef Topper for Dogs.
Based on the recommendation of the reference lab’s consulting veterinarian, the feeding of these dog foods was discontinued. After the dogs stopped eating these products for a few weeks, their clinical signs disappeared and thyroid hormone levels returned to normal. An FDA lab tested unopened cans of BLUE Wilderness Rocky Mountain Recipe Red Meat Dinner Wet Food for Adult Dogs and Wellness 95% Beef Topper for Dogs and confirmed that they contained active thyroid hormone. The source of thyroid hormones is likely from the use of gullets from which the thyroid glands were not completely removed before adding to pet food or treats.
WellPet voluntarily recalled of certain lots of 13.2 ounce cans of Wellness 95% Beef Topper for Dogs with best-by dates of 02 FEB 19, 29 AUG 19, and 30 AUG 19 printed on the bottom of the can. The UPC Code is 076344894506.
Blue Buffalo voluntarily recalled of one lot of 12.5-ounce cans BLUE Wilderness Rocky Mountain Recipe Red Meat Dinner Wet Food for Adult Dogs with a best-by date of June 7, 2019, printed on the bottom of the can. The UPC code is 840243101153.
If your dog has eaten either of these foods and is showing symptoms of hyperthyroidism, discontinue feeding of these foods and consult your veterinarian, making sure to provide your dog’s dietary history, including what the dog has been eating, how much, and for how long.
Consumers who have any of the recalled food should not feed it to their animals and can refer to the company press releases for further instructions about returns/refunds.
Blue Buffalo consumers with questions may contact Blue Buffalo at +1.866.201.9072 from 8 a.m. to 5 p.m. Eastern Time, Monday through Friday, or by email at CustomerCare@bluebuffalo.com for more information.
If WellPet customers have any of the 13.2 ounce recipe with these three best-by dates, email WellPet at email@example.com or call +1.877.227.9587. For more information, visit WellPet’s website for a letter from the CEO.
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