Pet owners across Connecticut are bracing for a new pet food recall.Hill?s Pet Nutrition recalled Prescription Diet m/d Feline dry food. The company says a toxic chemical called malmine, found in wheat gluten, was used in the company?s pet food, and was obtained from the same China-based company implicated in another recent pet food recall. Officials were able to pinpoint the chemical as the cause of death in many animals who died in a separate pet food recall.Susan Garland, of Wilton, says she?s watching her 16-year-old Golden Retriever closely. She says that because of his age he?s already in a natural state of kidney failure. Should other toxins be introduced into his system she says it would be fatal.Many pet owners say they are shunning large name labels in favor of smaller boutique pet food companies like Natural Foods, which prides itself on being as close to human food as possible. Others say they are feeding their pets chicken breasts they prepare for the animals. Veterinarian Charles Duffy is advising worried pet owners to watch pets for symptoms like not eating, drinking a lot more water than usual and urinating excessively, all signs of kidney disease.