Basic bibliographic information for each of the images used in The Drost Project Visual Guide is displayed on each image page. A listing of the complete bibliographic reference is under development and will be available by a link from The Drost Project Visual Guide home page or by clicking the bibliographic information on each image page. Almquist JO, PhD Pennsylvania State University, College Station PA Asbury Atwood (Woody) C, DVM, Dipl ACT University of Florida, Gainesville FL Ball Barry A, DVM, PhD, Dipl ACT University of California, Davis CA Ball Les, DVM, MS, Dipl ACT Colorado State University, Ft Collins CO Bartolome Julian, DVM, MS, PhD, Dipl ACT Universidad Nacional de la Pampa, ARGENTINA Bergin WC, DVM, MS Kamuela HI Betteridge Keith J, DVM, PhD University of Guelph, Guelph ONT, CANADA Bierschwal CJ (Busch), DVM, Dipl ACT University of Missouri, Columbia MO Binns Wayne, PhD United States Department of Agriculture, ID Block Jeremy, PhD University of Florida, Gainesville FL Blough Emily J, DVM Lafayette IN Brand Arie, DVM, PhD Utrecht University, Utrecht, THE NETHERLANDS Braun R Kenneth, DVM, MS, Dipl ACT University of Florida, Gainesville FL Breed Matthew, DVM University of Florida, Gainesville FL Buergelt CD, DVM, PhD, Dipl ACVP University of Florida, Gainesville FL Campbell Joy Meander Creek Stable, Berlin Center OH Christensen Bruce, DVM, Dipl ACT University of Florida, Gainesville FL Clark Tracy, DVM, MS, Dipl ACT Iowa State University, Ames IA Colloton Jill D, DVM Edgar WI Cripe Wyland S, DVM University of Florida, Gainesville FL deBois CHW, DVM, PhD Utrecht University, Utrecht, THE NETHERLANDS Drost Maarten, DVM, Dipl ACT University of Florida, Gainesville FL Eischen James J, DVM El Reno OK Fields Michael J, PhD University of Florida, Gainesville FL Foote Robert H, PhD Cornell University, Ithaca NY Franco J Oscar, DVM Caracas VENUZUELA Geisert Rod, PhD Oklahoma State University, Stillwater OK Goemann, Gerhardt G, DVM Cohasset MN Goetze HC Richard, DVM, PhD University of Hannover, Hannover, GERMANY Grimmett Jeffrey B, DVM, Dipl ACT University of Florida, Gainesville FL Haibel George K, DVM, Dipl ACT University of Florida, Gainesville FL Hansen Peter J, PhD University of Florida, Gainesville FL Hinson Lee, DVM Union MO Hopper Richard M, DVM, Dipl ACT Mississippi State University, Mississippi State MS Hughes John P, DVM, Dipl ACT University of California, Davis CA Hulet CV, PhD Dubois ID Hunnicutt Brian A, DVM Berryville AR Kaiser Lana, MD, DVM Kaiser Cattle Company, Mason MI Kelleman Audrey A, DVM, Dipl ACT University of Pennsylvania, Kennett Square PA Larsen Rolf E, DVM, MS, PhD, Dipl ACT University of Florida, Gainesville FL LeBlanc Michelle M, DVM, Dipl ACT University of Florida, Gainesville FL Leck Arthur A, DVM Ashland OR Leduc Fanny, DVM Reporoa, NEW ZEALAND Martin John M, DVM, Dipl ACT University of Florida, Gainesville FL McEntee Kenneth, DVM, PhD Cornell University, Ithaca NY Misra Aditya K, DVM, PhD GB Pant University, Pantnagar, INDIA Morris Robert G, DVM South West City MO Morrow David A, DVM, PhD, Dipl ACT Michigan State University, East Lansing MI Nicoletti Paul L, DVM, MS University of Florida, Gainesville FL Pieterse Maarten C, DVM, Dipl ECAR Utrecht University, Utrecht, THE NETHERLANDS Plathotnik Andrey, DVM Syberia RUSSIA Postley Carol Fairmeadow Farms, Ocala FL Prado Tulio M, DVM University of Tennesee, Knoxville TN Pugh David G, DVM Waverly AL Rathwell Alan C, DVM, Dipl ACT University of Florida, Gainesville FL Richter Johannes DVM, PhD University of Leipzig, Leipzig, GERMANY Risco Carlos A, DVM, Dipl ACT University of Florida, Gainesville FL Roberts Stephen J, DVM, MS Dipl ACT Cornell University, Ithaca NY Roodzant James P, DVM DeMotte IN Schneider HJ, PhD Hockley TX Schuijt Gerrit, DVM, PhD Utrecht University, Utrecht THE NETHERLANDS Seemann Carl W, DVM Bemidji MN Seguin Brad, DVM, PhD, Dipl ACT University of Minnesota, St Paul MN Seidel George E, PhD Colorado State University, Ft Collins CO Shille Victor M, DVM, PhD, Dipl ACT University of Florida, Gainesville FL Shipley Clifford F, DVM, Dipl ACT University of Illinois, Urbana IL Smith Mary C, DVM, Dipl ACT Cornell University, Ithaca NY Tanabe TY, PhD University of Wisconsin, Madison WI Thatcher William W, PhD University of Florida, Gainesville FL Theilen Gordon H, DVM University of California, Davis CA Utrecht Obstetrical Clinic Utrecht University, Utrecht THE NETHERLANDS Vale William G, DVM Universidada Federal do Para, Belem, BRASIL Varga Anita, DVM Ohio State University, Columbus OH Willis Lisa JT, DVM Georgetown TX Wolfe Dwight F, DVM, Dipl ACT Auburn University, Auburn AL Tom Worobey, dairyman Valley High Farm, Jordanville NY Wright Joseph M, DVM Castroville TX Zambrano-Varon Jorge University of California, Davis CA