Arizona’s mountains are attracting goat dairies, creating a new market of award-winning artisan cheeses. Since 2003, when the first commercial goat dairy was certified in Arizona, five more have emerged, totaling about 600 goats producing milk and cheese under state regulation. “Goats are fun,” said Kathryn Heininger, co-owner of Arizona’s first certified goat dairy, Black Mesa Ranch, in Snowflake. “They are like big, productive puppy dogs.”