When manufacturers add perfuming agents and chemicals to their litter, they do so based on owner preference — not cat preference. (2ndchance.info)
For example, Brace says that Merrick is focusing on providing more options to meet specific health needs of the pets, as well as owner preferences like providing potato - free formulas. (petbusiness.com)
Originally, good herding dogs were bred indiscriminately from both local and foreign dogs, but types soon developed according to climate, terrain and individual owner preference. (soonervet.net)