ALBANY, N.Y. — Rodent poison has been found in pet food blamed for the deaths of at least 16 cats and dogs, a spokeswoman for the State Department of Agriculture and Markets said Friday. Spokeswoman Jessica Chittenden would not identify the chemical or its source beyond saying it was a rodent poison. State agriculture officials scheduled a news conference Friday afternoon to release laboratory findings from tests on the pet food conducted this week. The deaths led to a recall of 60 million cans and pouches of pet food produced by Menu Foods and sold throughout North America under 95...