Please choose the correct ending to complete the given sentence: Uncategorized: [header] How to care for golden retrievers [title] Choose a high-quality food. [step] When looking for a dog food to feed your golden retriever, you should make sure that the product is " complete and balanced. " this means that the dog food has passed tests to ensure that it provides all of the necessary nutrition that your golden retriever needs to be healthy.

Ending1: [substeps] You may also want to consider buying a breed specific dog food. Some pet food companies produce dog food specifically for large breed dogs, such as golden retrievers. Ending2: [substeps] The american kennel club recommends that you consider a food that is 100% high quality. That means that it should provide sufficient protein and low-phosphorus content to ensure your golden retriever's health. Ending3: Look for a food that meets those requirements you were tested on. [title] Look for a quality dog food that includes high levels of calcium. Ending4: Humans are weak against the key vitamins, minerals, and magnesium important to a dog's health. Ensure that the dog food you pick is high quality.

Answer format: ending1/ending2/ending3/ending4