What AAFCO Does

1. Defines terms for labeling, e.g., "meat by-products."

2. Defines quantity determination for label titles, e.g., "Chicken Cat Food," "Chicken Dinner for Cats," "Chicken-flavored Cat Food."

3. Sets criteria for the usage of "complete and balanced" on pet food labels

4.Recommends percentage or minimum/maximum amounts of various ingredients in pet foods, depending on age and activity level of cats

出处：https://www.thesprucepets.com/choosing-cat-food-551958

第二个加粗句子我理解的意思是：明确不同产品标签的主要成分含量，如“鸡肉猫粮”“鸡肉餐猫粮”“鸡肉味猫粮”各自需含多少鸡肉。

想请问一下我的理解正不正确？如果正确的话，怎么翻比较好呢？