As many as one in six animals died in tests of dog and cat food that is part of a big recall.
The manufacturer conducted the tests after complaints the products were poisoning pets around the country.
The government says Menu Foods tested suspect dog and cat food on as many as 50 animals after it learned of the problems. Seven test animals died. Menu Foods told the Food and Drug Administration it received the first complaints of kidney failure and deaths among cats and dogs on February 20th.
The F-D-A's top veterinarian says an investigation is focusing on wheat gluten as the likely source of contamination in the wet-style food. But he says agency investigators are looking at other ingredients too.
The recall now covers dog food sold throughout North America under 51 brands and cat food sold under 40 brands.
This program aired on March 20, 2007. The audio for this program is not available.