In 1974 data was published based on research on Great Dane puppies that concluded that there was a higher incidence of hip dysplasia in puppies fed a high protein, high energy, high mineral diet.
In 1974 data was published based on research on Great Dane puppies that concluded that there was a higher incidence of hip dysplasia in puppies fed a high protein, high energy, high mineral diet.
在1974年，依据大丹犬幼犬的数字被公布出来，当幼犬被喂食那些高蛋白质，高能量，高矿物元素的食品时，它们更容易发生髋关节结构变形的病症。