Would being bilingual and bicultural be a good trait for a veterinarian?

Yes. In the United States there are many languages and cultures reflecting the ethnic and cultural heritages of the immigrant communities that have made their ways to the United States. If you can speak two languages and are comfortable with the societal norms of two cultures, you can reach out to both cultures and develop a strong client base in each. In addition, you can become a leader in these communities and help educate the community members about animal disease and health.