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									                                             52nd Western Poultry Disease Conference
                                                               March 9-11, 2003
                                               Capitol Plaza Holiday Inn – Sacramento, California


Program Chair
                                                                    Welcome Reception
Dr. David Willoughby                                           Sunday, 9 March 2003, 6:00PM – 9:00PM
CDFA                                                                      John Q Ballroom
3800 Cornucopia Way, Suite F
Modesto, CA 95350
Phone: 209-491-9350
Fax: 209-491-9353                    Special Acknowledgments - The WPDC is most grateful for the outstanding support of all the
E-mail: dwilloughby@cdfa.ca.gov      contributors to our program. We thank all contributors for helping enrich this annual conference. Our
                                     Benefactors merit special recognition – they are the AAAP and Merial Select. The contributors as of
President                            01/15/03 are:
Dr. Barbara Daft

                                      2003 Benefactors                                   2003 Donors (cont.)
Secretary-Treasurer                    American Association of Avian Pathologists         Phibro Animal Health
Dr. Richard P. Chin
CAHFS - Fresno                         Merial Select                                      Dr. A.S. “Rosy” & Jo Rosenwald
2789 S. Orange Avenue                                                                     Schering-Plough Animal Health / ASL
Fresno, CA 93725                      2003 Patrons                                        Shaver-Hubbard ISA
Phone: 559-498-7740                     Cobb-Vantress                                     Tyson de Mexico
Fax: 559-485-8097
E-mail: rpchin@ucdavis.edu
                                        IDEXX Labs, Inc.                                  Veterinary Service, Inc.
                                        Intervet
                                        Lohmann Animal Health International              2003 Sustaining Members
Contributions Chair
Dr. Ken Takeshita                       Nippon Biologicals, Inc.                          Aviagen North America
4759 Ridgeview Lane                     Sunrise Farms, Inc.                               Fort Dodge Animal Health
Vacaville, CA 95688                     Synbiotics Corporation                            Lasher Associates, Inc.
Phone: 530-304-0215                                                                       Merill’s Poultry Farm, Inc.
Fax: 800-894-9508
E-mail: drkt@compuserve.com           2003 Donors                                         Moroni Feed Company
                                        Alltech Biotechnology Centre, Inc.                Nicholas Turkey Breeding Farms
Local Arrangements Chairs               Bayer Corporation                                 Orlopp Turkey Breeding Farms
Dr. Carol Cardona                       Biomune Company                                   Pacific Egg and Poultry Association
Dr. A.S. Rosenwald                      Boehringer-Ingelheim Vetmedica, S.A. de           Preserve International
School of Veterinary Medicine             C.V.                                            Walco International, Inc.
University of California, Davis
Phone: 530-754-5041
                                        Charles River SPAFAS
Fax: 530-752-7563                       Cutler & Associates                              2003 Friends of the Conference
E-mail: cjcardona@ucdavis.edu           Elanco Animal Health                              Agri Stats, Inc.
                                        Embrex, Inc.                                      California Poultry Federation, Inc.
Proceedings Editor                      Foster Poultry Farm                               Dr. Marion Hammarlund
Dr. David D. Frame                      Hy-line International                             J.S. West Milling Co.
Utah State University
                                        Novus International                               Dr. Bryan Mayeda
245 East, 300 North
Ephraim, UT 84627                       Perdue Farms, Inc.
Phone: 435-283-7586
Fax: 435-283-5648
E-mail: davidf@ext.usu.edu
                                     Continuing Education – Continuing Education certificates will be available at the Registration
Program Chair-Elect                  Desk.
Dr. Joan Jeffrey

Registration Coordinator
Conference & Event Services
University of California, Davis
Phone: 530-752-0198
Fax: 530-752-5791
confandeventsvcs@ucdavis.edu




                                  Please visit our web site: conferences.ucdavis.edu/wpdc
                                                     nd
                                                52        WPDC SCIENTIFIC PROGRAM

SATURDAY, MARCH 8, 2003                                                8:00   J. Odani – Pathology of END in backyard chickens
                                                                              during the 2002 California outbreak
7:30 – 8:30AM    ACPV Registration                                     8:15   P. Woolcock – Detection of END virus in California
                                                                       8:30   A. Whiteford – The California 2002-03 END
8:00 – 5:00PM    ACPV Workshop – Molecular Biology Made                       investigation
                 Easy                                                  9:00   Panel discussion on END
                                                                       9:30   BREAK

SUNDAY, MARCH 9, 2003                                                 TOPIC: Avian paramyxovirus, Pneumovirus, IBDV, CAV
                                                                      10:00 D. Kapczynski – Vaccination efforts with virosomes
7:30 – 5:30PM    Registration                                                produced from NDV
                                                                      10:15 E. Haddad – In ovo vaccination against ND: field
7:50    D. Willoughby - Welcome and opening remarks                          safety evaluation
                                                                      10:30 K.V. Nagaraja – Role of wild birds in the transmission
TOPIC: Avian Influenza                                                       of APV
 8:00  D. Castellan – Low pathogenic H6N2 AI in California            10:45 H. Medina – APV and other respiratory challenges in
 8:30  M. Smeltzer – Control of low pathogenic AI in Virginia                turkeys in the Midwest
 9:00  R. O’Connor – The industry’s perspective on AI in              11:00 C. Hon – DNA vaccine against IBDV using highly
       California                                                            expressed VP2 fragments
 9:30  D. Halvorson – Economics of AI control                         11:15 D. Link – IBDV variants Delaware E and Mississippi
10:00 BREAK                                                                  challenges in SPF chickens vaccinated with an IBDV-
                                                                             antibody complex vaccine
10:30   D. Swayne – Vaccines and their use in control or              11:30 K. Cookson – IBDV protection in commercial broilers
        eradication of AI                                                    vaccinated with Marek's disease vaccine +/- IBD
11:00   I. Capua – Novel perspectives for the control of AI                  vaccine
11:30   Panel discussion on avian influenza                           11:45 A. Zanella – CAV: subclinical infection in broilers
12:00   LUNCH                                                         12:00 LUNCH; Poster viewing

1:25   Call To Order                                                  1:25   Call To Order
TOPIC: Avian Influenza (cont.)                                        TOPIC: Miscellaneous viruses, Bioterrorism
 1:30  T. Tumpey – Protective efficacy of an inactivated AI           1:30   R. Munoz – Use of a CAV antibody test for
       vaccine against challenge with a 2002 H7N2 AI                         monitoring protective antibody titers
       isolate                                                        1:45   H.S. Sellers – ILTV diagnostics revisited
 1:45  N. Reimers – The influence of strain and the effect of         2:00   M.I. Khan – Development of multiplex PCR for avian
       vaccination on the clinical signs of low pathogenic                   enteric pathogens
       H6N2 AI virus in commercial layers                             2:15   J.F. Heijman – Hydropericardium-hepatitis syndrome
 2:00  B. Charlton – Serologic response of chickens to AI                    (Angara disease) in broilers in the Netherlands
       vaccination                                                    2:30   H.M. Hafez – Marek’s disease in turkeys: history and
 2:15  C.-W. Lee – Genetic and virologic characteristics of                  current status
       recent H5 subtype AI viruses in North America                  2:45   B. Zekarias – Intestinal mucosal pathology, epithelial
 2:30  E. Spackman – Evaluation of molecular markers for                     apoptosis and proliferation in malabsorption
       pathogenicity in recent H7N2 AI isolates from the                     syndrome affected broilers
       Northeastern United States                                     3:00   BREAK
 2:45  G. Cattoli – The H7N3 AI outbreak in Northern Italy in
       2002                                                           TOPIC: Mycoplasma, Salmonella
 3:00  BREAK                                                          3:30   H.L. Shivaprasad – MG outbreak in primary turkey
                                                                             breeders
TOPIC: Avian Influenza (cont.)                                        3:45   D.E. Zellner – Case report of mycoplasma in a turkey
3:30   H. Lu – Rapid diagnosis of AI by a combination of                     breeder flock
       dot-ELISA and virus isolation                                  4:00   H.M. Hafez – Investigations on salmonella in meat
3:45   D. Senne – Chile AI outbreak; END virus                               turkey flocks
       characterization                                               4:15   J. Maiers – Evaluation of Poulvac-ST in commercial
4:45   Adjourn; Poster Viewing                                               broilers
                                                                      4:30   R.A. Norton – The threat of bioterrorism to the
6:00    Welcome Reception                                                    poultry industry: the veterinary response
                                                                      4:45   Adjourn; Poster Viewing
                                                                      5:00   WPDC Business Meeting
MONDAY, MARCH 10, 2003
                                                                       6:30   WPDC Banquet
7:30AM Registration And Poster Viewing
7:50    Call To Order                                                 TUESDAY, MARCH 11, 2003
MONDAY, MARCH 10, 2003 (cont.)
                                                                       7:50am Call To Order
TOPIC: Exotic Newcastle Disease (END)
                                                                  POSTERS
TOPIC: Antibiotics, Bacteria, Management
Moderator:                                                        T. Abdul-Aziz – Hemarthrosis in turkeys
8:00   S. Clark – Antibiotic issues definitions: for the record   D.H. Baum – Understanding serology results with process
8:15   H.M. Cervantes – The antibiotic resistance debate:         behavior (Shewhart) charts
       an industry perspective on the use of virginiamycin        C. Buscaglia – Serological survey for Newcastle disease in
       (Stafac) in poultry                                        non-commercial layers that belong to a social program from
8:30   A.S. Dhillon – Campylobacter jejuni oral gavage in         Argentina called "Pro-Huerta".
       young broiler chicken                                      H.D. Chapman – Efficacy of salinomycin following use of
8:45   J. Jeffrey – Comparison of pathogenic or                   Diclazuril and Coccivac-B in broilers
       environmental E. coli from broiler chickens and broiler    T. Cherry – Evaluation of coccidiosis vaccines by different
       house litter                                               methods of administration
9:00   B. Perelman – The multiple faces of clostridial            R.P. Chin – Airsacculitis in turkeys associated with candidiasis
       infections in ostriches                                    R. Crespo – Effect of onion ingestion in white chinese geese
9:15   H.D. Chapman – An Analysis of the performance of           R.P. Fernández – Hemagglutination-inhibition antibodies and
       commercial broilers in the USA from 1997 to 2001           protection conferred by bi- or trivalent vaccines of
9:30     BREAK                                                    Haemophilus paragallinarum against isolates of the prevalent
                                                                  hemagglutinin serovars identified in Mexico
TOPIC: Coccidiosis, Management, Case reports                      D. Gallazzi – Salmonella spp. in broiler breeder flocks and
Moderator:                                                        hatcheries in northern Italy: 2 years of bacteriologic monitoring
10:00 S. Fitz-Coy – Coccidiosis immunity in commercially          S.J. Gustin – Reducing DOA’s at processing plant: time of
        grown broiler chickens                                    death determination
10:15 P. Davis – Nicarbazin in shuttle programs using             J. Hatkin – Squamous cell carcinoma in a chicken’s crop
        environmental housing                                     J. Ihle – Evaluation of avian Escherichia coli's ability to survive
10:30 J. Dibner – The use of a viability assay to formulate a     within macrophages
        high definition coccidiosis vaccine                       L. Lauerman – Comparative evaluation of duplex PCR assays
10:45 T. Cherry – Comparative efficacy of a high definition       for MG and MS
        coccidiosis vaccine and ionophores in broilers on         K.S. Macklin – Pine shavings and sand used as poultry litter
        used litter                                               and their respective bacterial levels
11:00 S. Kakarla – Incidence of breast blisters in turkeys        R.A. Norton – The threat of bioterrorism to the poultry
        and their effect upon meat quality                        industry: the veterinary response
11:15 F. Sommer – Laying hens in Europe: coping with EU           R. Saini – Oregano essential oil reduces necrotic enteritis in
        regulations                                               broilers
11:30 M.A. Hammarlund – Poultry production near Tomsk,            R. Saini – Oregano essential oil reduces the expression of
        Russia (Siberia)                                          coccidiosis in broilers
                                                                  R. Saini – Organic acids effective in preventing necrotic
11:45    CONCLUDING REMARKS, ADJOURN                              enteritis
                                                                  F. Sommer – Pelistega europaea: a “new” bacterium in
                                                                  pigeons
                                                                  K. Tonooka – Prevalence of campylobacter and salmonella
                                                                  spp. in commercial meat ducks




                                             Mark your calendars!!!
                                          rd
                                      53 Western Poultry Disease Conference
                                         Tentative dates: 7-9 March 2004
                                             Sacramento, California

								
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