52nd Western Poultry Disease Conference
March 9-11, 2003
Capitol Plaza Holiday Inn – Sacramento, California
Welcome Reception
Program Chair
Dr. David Willoughby
CDFA
3800 Cornucopia Way, Suite F
Modesto, CA 95350
Phone: 209-491-9350
Fax: 209-491-9353
E-mail: dwilloughby@cdfa.ca.gov
President
Dr. Barbara Daft
Secretary-Treasurer
Dr. Richard P. Chin
CAHFS - Fresno
2789 S. Orange Avenue
Fresno, CA 93725
Phone: 559-498-7740
Fax: 559-485-8097
E-mail: rpchin@ucdavis.edu
Contributions Chair
Dr. Ken Takeshita
4759 Ridgeview Lane
Vacaville, CA 95688
Phone: 530-304-0215
Fax: 800-894-9508
E-mail: drkt@compuserve.com
Local Arrangements Chairs
Dr. Carol Cardona
Dr. A.S. Rosenwald
School of Veterinary Medicine
University of California, Davis
Phone: 530-754-5041
Fax: 530-752-7563
E-mail: cjcardona@ucdavis.edu
Proceedings Editor
Dr. David D. Frame
Utah State University
245 East, 300 North
Ephraim, UT 84627
Phone: 435-283-7586
Fax: 435-283-5648
E-mail: davidf@ext.usu.edu
Program Chair-Elect
Sunday, 9 March 2003, 6:00PM – 9:00PM
John Q Ballroom
Special Acknowledgments - The WPDC is most grateful for the outstanding support of all the
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
01/15/03 are:
2003 Benefactors
American Association of Avian Pathologists
Merial Select
2003 Patrons
Cobb-Vantress
IDEXX Labs, Inc.
Intervet
Lohmann Animal Health International
Nippon Biologicals, Inc.
Sunrise Farms, Inc.
Synbiotics Corporation
2003 Donors
Alltech Biotechnology Centre, Inc.
Bayer Corporation
Biomune Company
Boehringer-Ingelheim Vetmedica, S.A. de
C.V.
Charles River SPAFAS
Cutler & Associates
Elanco Animal Health
Embrex, Inc.
Foster Poultry Farm
Hy-line International
Novus International
Perdue Farms, Inc.
2003 Donors (cont.)
Phibro Animal Health
Dr. A.S. “Rosy” & Jo Rosenwald
Schering-Plough Animal Health / ASL
Shaver-Hubbard ISA
Tyson de Mexico
Veterinary Service, Inc.
2003 Sustaining Members
Aviagen North America
Fort Dodge Animal Health
Lasher Associates, Inc.
Merill’s Poultry Farm, Inc.
Moroni Feed Company
Nicholas Turkey Breeding Farms
Orlopp Turkey Breeding Farms
Pacific Egg and Poultry Association
Preserve International
Walco International, Inc.
2003 Friends of the Conference
Agri Stats, Inc.
California Poultry Federation, Inc.
Dr. Marion Hammarlund
J.S. West Milling Co.
Dr. Bryan Mayeda
Continuing Education – Continuing Education certificates will be available at the Registration
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
52nd WPDC SCIENTIFIC PROGRAM
SATURDAY, MARCH 8, 2003
8:00
7:30 – 8:30AM
ACPV Registration
8:15
8:30
8:00 – 5:00PM
ACPV Workshop – Molecular Biology Made
Easy
SUNDAY, MARCH 9, 2003
7:30 – 5:30PM
7:50
Registration
D. Willoughby - Welcome and opening remarks
TOPIC: Avian Influenza
8:00
D. Castellan – Low pathogenic H6N2 AI in California
8:30
M. Smeltzer – Control of low pathogenic AI in Virginia
9:00
R. O’Connor – The industry’s perspective on AI in
California
9:30
D. Halvorson – Economics of AI control
10:00 BREAK
10:30
11:00
11:30
12:00
D. Swayne – Vaccines and their use in control or
eradication of AI
I. Capua – Novel perspectives for the control of AI
Panel discussion on avian influenza
LUNCH
1:25
Call To Order
TOPIC: Avian Influenza (cont.)
1:30
T. Tumpey – Protective efficacy of an inactivated AI
vaccine against challenge with a 2002 H7N2 AI
isolate
1:45
N. Reimers – The influence of strain and the effect of
vaccination on the clinical signs of low pathogenic
H6N2 AI virus in commercial layers
2:00
B. Charlton – Serologic response of chickens to AI
vaccination
2:15
C.-W. Lee – Genetic and virologic characteristics of
recent H5 subtype AI viruses in North America
2:30
E. Spackman – Evaluation of molecular markers for
pathogenicity in recent H7N2 AI isolates from the
Northeastern United States
2:45
G. Cattoli – The H7N3 AI outbreak in Northern Italy in
2002
3:00
BREAK
TOPIC: Avian Influenza (cont.)
3:30
H. Lu – Rapid diagnosis of AI by a combination of
dot-ELISA and virus isolation
3:45
D. Senne – Chile AI outbreak; END virus
characterization
4:45
Adjourn; Poster Viewing
6:00
Welcome Reception
MONDAY, MARCH 10, 2003
7:30AM Registration And Poster Viewing
7:50
Call To Order
MONDAY, MARCH 10, 2003 (cont.)
TOPIC: Exotic Newcastle Disease (END)
9:00
9:30
J. Odani – Pathology of END in backyard chickens
during the 2002 California outbreak
P. Woolcock – Detection of END virus in California
A. Whiteford – The California 2002-03 END
investigation
Panel discussion on END
BREAK
TOPIC: Avian paramyxovirus, Pneumovirus, IBDV, CAV
10:00 D. Kapczynski – Vaccination efforts with virosomes
produced from NDV
10:15 E. Haddad – In ovo vaccination against ND: field
safety evaluation
10:30 K.V. Nagaraja – Role of wild birds in the transmission
of APV
10:45 H. Medina – APV and other respiratory challenges in
turkeys in the Midwest
11:00 C. Hon – DNA vaccine against IBDV using highly
expressed VP2 fragments
11:15 D. Link – IBDV variants Delaware E and Mississippi
challenges in SPF chickens vaccinated with an IBDVantibody complex vaccine
11:30 K. Cookson – IBDV protection in commercial broilers
vaccinated with Marek's disease vaccine +/- IBD
vaccine
11:45 A. Zanella – CAV: subclinical infection in broilers
12:00 LUNCH; Poster viewing
1:25
Call To Order
TOPIC: Miscellaneous viruses, Bioterrorism
1:30
R. Munoz – Use of a CAV antibody test for
monitoring protective antibody titers
1:45
H.S. Sellers – ILTV diagnostics revisited
2:00
M.I. Khan – Development of multiplex PCR for avian
enteric pathogens
2:15
J.F. Heijman – Hydropericardium-hepatitis syndrome
(Angara disease) in broilers in the Netherlands
2:30
H.M. Hafez – Marek’s disease in turkeys: history and
current status
2:45
B. Zekarias – Intestinal mucosal pathology, epithelial
apoptosis and proliferation in malabsorption
syndrome affected broilers
3:00
BREAK
TOPIC: Mycoplasma, Salmonella
3:30
H.L. Shivaprasad – MG outbreak in primary turkey
breeders
3:45
D.E. Zellner – Case report of mycoplasma in a turkey
breeder flock
4:00
H.M. Hafez – Investigations on salmonella in meat
turkey flocks
4:15
J. Maiers – Evaluation of Poulvac-ST in commercial
broilers
4:30
R.A. Norton – The threat of bioterrorism to the
poultry industry: the veterinary response
4:45
Adjourn; Poster Viewing
5:00
WPDC Business Meeting
6:30
WPDC Banquet
TUESDAY, MARCH 11, 2003
7:50am Call To Order
POSTERS
TOPIC: Antibiotics, Bacteria, Management
Moderator:
8:00
S. Clark – Antibiotic issues definitions: for the record
8:15
H.M. Cervantes – The antibiotic resistance debate:
an industry perspective on the use of virginiamycin
(Stafac) in poultry
8:30
A.S. Dhillon – Campylobacter jejuni oral gavage in
young broiler chicken
8:45
J. Jeffrey – Comparison of pathogenic or
environmental E. coli from broiler chickens and broiler
house litter
9:00
B. Perelman – The multiple faces of clostridial
infections in ostriches
9:15
H.D. Chapman – An Analysis of the performance of
commercial broilers in the USA from 1997 to 2001
9:30
BREAK
TOPIC: Coccidiosis, Management, Case reports
Moderator:
10:00 S. Fitz-Coy – Coccidiosis immunity in commercially
grown broiler chickens
10:15 P. Davis – Nicarbazin in shuttle programs using
environmental housing
10:30 J. Dibner – The use of a viability assay to formulate a
high definition coccidiosis vaccine
10:45 T. Cherry – Comparative efficacy of a high definition
coccidiosis vaccine and ionophores in broilers on
used litter
11:00 S. Kakarla – Incidence of breast blisters in turkeys
and their effect upon meat quality
11:15 F. Sommer – Laying hens in Europe: coping with EU
regulations
11:30 M.A. Hammarlund – Poultry production near Tomsk,
Russia (Siberia)
11:45
CONCLUDING REMARKS, ADJOURN
T. Abdul-Aziz – Hemarthrosis in turkeys
D.H. Baum – Understanding serology results with process
behavior (Shewhart) charts
C. Buscaglia – Serological survey for Newcastle disease in
non-commercial layers that belong to a social program from
Argentina called "Pro-Huerta".
H.D. Chapman – Efficacy of salinomycin following use of
Diclazuril and Coccivac-B in broilers
T. Cherry – Evaluation of coccidiosis vaccines by different
methods of administration
R.P. Chin – Airsacculitis in turkeys associated with candidiasis
R. Crespo – Effect of onion ingestion in white chinese geese
R.P. Fernández – Hemagglutination-inhibition antibodies and
protection conferred by bi- or trivalent vaccines of
Haemophilus paragallinarum against isolates of the prevalent
hemagglutinin serovars identified in Mexico
D. Gallazzi – Salmonella spp. in broiler breeder flocks and
hatcheries in northern Italy: 2 years of bacteriologic monitoring
S.J. Gustin – Reducing DOA’s at processing plant: time of
death determination
J. Hatkin – Squamous cell carcinoma in a chicken’s crop
J. Ihle – Evaluation of avian Escherichia coli's ability to survive
within macrophages
L. Lauerman – Comparative evaluation of duplex PCR assays
for MG and MS
K.S. Macklin – Pine shavings and sand used as poultry litter
and their respective bacterial levels
R.A. Norton – The threat of bioterrorism to the poultry
industry: the veterinary response
R. Saini – Oregano essential oil reduces necrotic enteritis in
broilers
R. Saini – Oregano essential oil reduces the expression of
coccidiosis in broilers
R. Saini – Organic acids effective in preventing necrotic
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!!!
53 Western Poultry Disease Conference
Tentative dates: 7-9 March 2004
Sacramento, California
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