Gay rights groups are calling for a boycott of the world’s biggest pasta maker Barilla after the company’s chairman said he would never use homosexual couples in his advertisements...Guido Barilla...told Italy’s La Zanzara radio show last night: “I would never do an advert with a homosexual family…if the gays don’t like it they can go an eat another brand...Campaigners have urged a boycott of all 20 brands owned by the Parma-based company, which include Voiello pasta and Filiz and Misko products...By Thursday lunchtime, the company, which promotes its products using images of young, blond-haired children and their attractive parents, sought to underline its “respect" for gays in a statement attributed to its chairman. “I’m sorry if my comments on La Zanzara have created misunderstanding or polemic, or if I’ve offended anyone. In the interview I only wanted to underline the central role of the woman in the family," he said.