Despite a burgeoning petcare aisle at its supermarkets, Woolworths Group is hoping to carve out a greater slice of the $2.9 billion petcare market with the launch of a new standalone business, Pet Culture. The online pet care business, launched last month, is a joint venture between Woolworths and Hollard Group’s PetSure, the country’s biggest pet insurance provider which has underwritten Woolworths’ pet insurance offer for several years. According to The Australian, Woolworths is…