Dr. Hayley Schafer examines Cabo, who is owned by Brittany LaMarche and her son Gage, at Caring Hearts Animal Clinic in Gilbert, Ariz. &lt;a href=&quot;//www.nytimes.com/2013/02/24/business/high-debt-and-falling-demand-trap-new-veterinarians.html&quot;&gt;Go to related article »&lt;/a&gt;