Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to choose safe pet food [title] Find the list of ingredients on the bag. [step] The first 5 to 10 will play a significant role in the nutritional make-up of a food; however, it's important to remember that pet food labels provide limited information regarding the nutritional value of a food. Labeling regulations do not allow manufacturers to describe the quality of ingredients on the package.

Ending1: In fact, this does not require a owner to specify any is nutritionally suitable. Here are some basic tips and tricks to keep in mind : [substeps] Never let the dog directly eat a food that's not nutritionally good. Ending2: A reputable pet food manufacturer will be able to explain to you their specific methods for evaluating and assuring the quality of ingredients used in their products. [title] Identify the source/sources of protein. Ending3: [substeps] Do some research online before making your choice of dog food. You'll be better served if you find out a trustworthy source to send it to. Ending4: Thus, some companies may issue trial tests to determine if a food contains certain nutritional additives that would not be considered safe. Using a food label that is 40 percent degrade is usually sufficient for satisfying consumer cravings.

Answer format: ending1/ending2/ending3/ending4