A student is writing a research paper on raising yorkie puppies. She found a trustworthy source. Read Source 1 and the directions that follow.

Source 1

Raising puppies is no easy feat, and yorkies are no exception; in fact, they might even be more difficult. Because yorkies are so small, can sometimes have dangerously low blood sugar, especially if they get into situations where they are not familiar or might even be scared. If a moment like this occurs it is imperative to have a special medicine called NutriCal. This medicine is a thick, syrupy medicine that your dog can ingest quickly to boost their low sugar.

The student needs to find another credible source. Select the source that most likely have relevant and credible information.