12/30/1999 Animal Health News & Notes for December 30, 1999 12/23/1999 Animal Health News & Notes for December 23, 1999 12/21/1999 Animal Health News & Notes for December 21, 1999 - Special Edition 12/17/1999 Animal Health News & Notes for December 17, 1999 12/10/1999 Animal Health News & Notes for December 10, 1999 12/3/1999 Animal Health News & Notes for December 3, 1999 11/24/1999 Animal Health News & Notes for November 24, 1999 11/19/1999 Animal Health News & Notes for November 19, 1999 11/12/1999 Animal Health News & Notes for November 12, 1999 11/5/1999 Animal Health News & Notes for November 5, 1999 10/29/1999 Animal Health News & Notes for October 29, 1999 10/22/1999 Animal Health News & Notes for October 22, 1999 10/15/1999 Animal Health News & Notes for October 15, 1999 10/8/1999 Animal Health News & Notes for October 8, 1999 10/1/1999 Animal Health News & Notes for October 1, 1999 9/24/1999 Animal Health News & Notes for September 24, 1999 9/17/1999 Animal Health News & Notes for September 17, 1999 9/10/1999 Animal Health News & Notes for September 10, 1999 9/3/1999 Animal Health News & Notes for September 3, 1999 8/27/1999 Animal Health News & Notes for August 27, 1999 8/20/1999 Animal Health News & Notes for August 20, 1999