WELCOME! Animal Biosciences and Biotechnology Laboratory (ABBL) ABBL is part of the Henry A. Wallace Beltsville Agriculture Research Center BARC). ABBL scientists conduct a variety of research projects aimed at Improving the reproduction, development, growth, health and well-being of poultry, swine, and cattle. USDA, ARS, BARC-E Animal Biosciences and Biotechnology Laboratory Building 200, Room 217, BARC-East 10300 Baltimore Avenue Beltsville, Maryland 20705-2350 Telephone: (301) 504-8222  Fax: (301) 504-8623