Saturday, July 22, 2000
2:00-2:15 Opening Remarks, Salon F.
President: R. Rew, Vice President & Program Chair: A. Zajac
Session I, Salon F. MERIAL THIRD ANNUAL SYMPOSIUM
Computers as Tools for the Veterinary Parasitologist
Moderator: J Guerrero
2:45 2 Computer-based Reconstructions of the Anterior Sensory Nervous System of Nematode Larvae: Structure/Function Relationships with Respect to the Infective Process. G. A. Schad
3:15 3 Pretty Pictures, and Prevention: Potential Uses of GIS in Parasitology. R. A. Thompson
3:45-4:00 Break
Session II, Salon E. Companion Animal Parasites
Moderators: K. Kazacos, T. Kennedy
4:00 4 The Efficacy Of Milbemycin Oxime/Lufenuron and Selamectin in Treating Adult Intestinal Nematodes (Ancylostoma caninum, Toxocara canis, and Trichuris vulpis). D. D. Bowman*, D. G. Stansfield. J. H. Thoren
4:15 5 An Indirect Enzyme-Linked Immunosobent Assay for Diagnosis of American Canine Hepatozoonosis. J. S. Mathew*, J. T. Saliki, S. A. Ewing, T. W. Lehenbauer, R. J. Panciera, J. R. Malayer, C. A. Cummings, A. A. Kocan.
4:30 6 Efficacy of Moxidectin Canine SR (Slow-Release) Injectable Against Experimental Hookworm (Ancylostoma caninum and Uncinaria stenocephala) Infections in Dogs. D. D. Bowman*, J. W. McCall, P Supakorndej, N. Supakorndej, S. D. McCall, R. M. Cleale, P. J. Scholl, R. D. Rulli
4:45 7 Efficacy of a 10% Moxidectin Sustained Release (SR) Injectable Against Natural Hookworm and Roundworm Infections. K. Heaney*, R. L. Slone, L. R. Cruthers.
5:00 8 "Out Of Africa": Massive Visceral Pentastomiasis in a Dog. K. R. Kazacos*, E. J. Kapke, W. R. Widmer, C. E. Fishman.
5:15 9 The Use of a Giardia Vaccine as an Immunotherapeutic Agent in Dogs. M. E. Olson*, C. Hannigan, P. Gaviller, L. Fulton
5:30 10 A Survey of Canine Visceral Leishmaniasis in the City of Recife, Northeastern Brazil. A. D. Lima Junior*, L. C. Alves, E. S. M. Savani Mouriz, M. C. G. O Nicoletti Dáuria, S. A. Balduino
Session III, Salon F. Equine Parasitology
Moderators: T. Klei, J. Johnson
4:00 11 Equine Antibody Responses to Somatic L3 and Surface Antigens of Cyathostomes. M. A. Baudena*, M. Kara, M. R. Chapman, T. R. Klei
4:15 12. Modulation of Equine T-Cell Responses to Strongylus Vulgaris. J. D. Johnson, * D. W. Horohov, R. M. Moore, M. R. Chapman, S. S. Pourciau, L. A. Mistric, T. R. Klei
4:30 13 Treatment of Equine Protozoal Myeloencephalitis with Nitazoxanide. C. K. Fenger*, K. Palma, D. Kordic
4:45 14 Population Dynamics of Oribatid Mites on Horse Pastures in North Central Florida. M. E. Jordan*, C. H. Courtney
5:00 15 An In Vitro Hatching Technique for Gasterophilus intestinalis Research. T. R. Bello
5:15 16 Parasite Control from the Horse Owner's Perspective. T. R. Bello
5:30 17 Prevalence and Mean Intensity of Cyathostomes (Cyathostominae: Strongylidae) of Ventral Colon of Equids Naturally Infected from the State of Pernambuco, Brazil. M. P. Souto-Maior*, L. C. Alves, R. A. Mota, G. M. Carvalho-Junior, C. L. Barbosa
Session IV, Salon F. BAYER SYMPOSIUM
Flea Susceptibility Monitoring
Moderators: B. Arther, N. Mencke
6:00 18 Susceptibility of Fleas to Control Agents: Development of a Monitoring System. M. W. Dryden*, B. L. Blagburn, D. L. Bledsoe, I. Denholm, O. Hansen, N. C. Hinkle, T. Hopkins, D. E. Jacobs, H. Mehlhorn, N. Mencke, M. K. Rust , M. B. Vaughn
6:15 19 Flea Insecticide Resistance: A Perspective from Veterinary Parasitology. B. L. Blagburn*, D. L. Bledsoe, I. Denholm, M. W. Dryden, O. Hansen, N. C. Hinkle, T. Hopkins, D. E. Jacobs, H. Mehlhorn, N. Mencke, M. K. Rust, M. B. Vaughan
6:30 20 Prospects for Combating Insecticide Resistance in Cat Fleas (Ctenocephalides felis Bouché 1835): Lessons from Other Pests. I. Denholm*, B. L. Blagburn, D. L. Bledsoe, M. W. Dryden, O. Hansen, N. C. Hinkle,T. Hopkins, D. E. Jacobs, H. Mehlhorn, N. Mencke, M. K. Rust, M. B. Vaughan
6:45 21 Development of Bioassays to Determine Flea Susceptibility to an Insecticide: Standardization of Laboratory Methods. D. E. Jacobs*, B. L. Blagburn, D. L. Bledsoe, I. Denholm, M. W. Dryden, O. Hansen, N. C. Hinkle, T. Hopkins, H. Melhorn, N. Mencke, M. K. Rust, M. B. Vaughn
7:00 22 Bioassay Results of Laboratory Raised and Field-Collected Strains of the Cat Flea (Ctenocephalides felis Bouché 1835). M. K. Rust*, B. L. Blagburn, D. L. Bledsoe, I. Denholm, M. W. Dryden, O. Hansen, N. C. Hinkle, T. Hopkins, D. E. Jacobs, H. Mehlhorn, N. Mencke, M. B. Vaughn
7:15 23 Outlook into the Future: New Perspectives to Safeguard Insecticides. O. Hansen*, B. L. Blagburn, D. L. Bledsoe, I. Denholm, M. W. Dryden, N.C. Hinkle, T. Hopkins, D. E. Jacobs, H. Mehlhorn, N. Mencke, M. K. Rust, M. B. Vaughn
7:30 - 9:30 PM Bayer WELCOMING RECEPTION, Salons A-D
Sunday, July 23, 2000
Session V, Salon E. Cattle Nematode Management
Moderators: C. Reinemeyer, B. Stromberg
8:00 24 Therapeutic and Persistent Efficacy of the 1% Nonaqueous Injectable Formulation of Moxidectin Against Nematode Parasites of Cattle. S. Ranjan* , K. L. Simkins
8:15 25 Dose Confirmation Study of a 1% Moxidectin Nonaqueous Injectable Formulation Against Both L4 Larval and Adult Stages of Dictyocaulus viviparous, Haemonchus placei, and Trichostrongylus axei in Cattle in Wisconsin. L. Smith*, P. J. Scholl, R. Delay
8:30 26 Persistent Efficacy of Moxidectin Injectable Solution Against Artificially Induced Nematode Infections in Cattle. B. E. Stromberg*, G. A. Averbeck, J. F. Anderson, P . J. Scholl
8:45 27 Dose Confirmation Studies of Moxidectin 1% Injectable and 0.5% Pour-On Formulations Against Experimentally-Induced Infections with Larval and Adult Oesophagostomum radiatum and Trichuris spp. in Cattle. C. R. Reinemeyer*, R. M. Cleale
9:00 28 Dose Confirmation of Moxidectin 0.5% Pour-On Against Adult and Fourth Stage Larvae of Cooperia spp. and Trichostrongylus colubriformis in Calves. J. C. Williams, A. Derosa, B. Louque, F. Guerino
9:15 29 Comparison of Liquid and Block Supplement Free-Choice Intake in Cattle. K C. Garossino*, T. A. McAllister, D. N. Milligan, B. J. Ralston, M.E. Olson
9:30 30 Internal Parasite Effects on Beef Heifers. A. F. Loyacano*, J. C. Williams, J. Gurie, A. DeRosa
9:45 31 Management Practices and Use of Anthelmintics on Dairy Cattle Farms in Agreste Region of Pernambuco State, Brazil. J. Pompeu,*, M.J. S. Pereira, L. C. Alves, J. B. Oliveira
10:00-10:30 Break
Session VI, Salon F. Apicomplexan Parasites
Moderators: D. Lindsay, A. Cheadle
8:00 32 Serological Responses of Dogs Fed Neospora Caninum Tissue Cysts. A. C. Rosypal*, A. M. Zajac, D. S. Lindsay
8:15 33 Identification of Immunodominant Antigens Recognized by Cattle with Acute and Chronic Neospora caninum Infections Associated with Abortion. R. M. O'Handley*, M. C. Jenkins, C. Bjorkman, A. Uggla, J. P. Dubey
8:30 34 Biological Characterization of Sarcocystis neurona Isolated from a Southern Sea Otter (Enhydra lutris nereis). D. S. Lindsay*, N. J. Thomas, B. M. Rosenthal, J. P. Dubey
8:45 35 In Vitro Culture of Sarcocystis Sporocysts in Equine Dermal Cells Long Term as a Method for Distinguishing Sarcocystis neurona and Sarcocystis falcatula . L. S. Mansfield, A. J. Murphy*, K. Nelson, P. Gearhart
9:00 36 Viability of Sarcocystis neurona Sporocysts and Dose Titration in Gamma-Interferon Knockout Mice. M. A. Cheadle*, S. M. Tanhauser, T. J. Scase, J. B. Dame, R. J. Mackay, P. E. Ginn, E. C. Greiner
9:15 37 Efficacy of Ponazuril Oral Suspension in Preventing Death in Mice Experimentally Infected with Neospora caninum. T. J. Kennedy*, L. C. Stine-Purtle, J. A. Hall
9:30 38 In Vitro Quantitative Analysis of 3H-Uracil Incorporation By Sarcocystis neurona to Determine Efficacy of Anti-Protozoal Agents. J. Lakritz*, A. E. Marsh
9:45 39 Characterization of the First Commercial Neospora Vaccine. L. Choromanski*, M. Vaughn
10:00-10:30 Break
Session VII, Salon E. Small Ruminant Parasites
Moderators: D. Jasmer, C. Monahan
10:30 40 The Effect of Corticosteroid Treatment on the Immune Response to Haemonchus contortus Infections in Neonatal Gulf Coast Native Lambs. M. Peña*, J. Miller, D. Horovov, S. Barras, S. Pourciau
10:45 41 Field Evaluation of ConAH11-HgalGP Experimental Vaccine in Pre-Weaned and Weaned Lambs. E. K. Kabagambe*, M. T. Peña, W. D. Smith, J. E. Miller
11:00 42 Anthelmintic Efficacy Against Gastrointestinal Nematodes of Two Georgia Goat Herds. O. M. Samples*, T. H. Terrill, R. M. Kaplan, M. Larsen, S. Mobini, L. H. Williamson, S. Gelaye
11:15 43 Biological Control of Gastrointestinal Nematodes in Goats Using Nematode-Trapping Fungi. T. H. Terrill*, O. M. Samples , M. Larsen, J. E. Miller, C. M. Mathews, S. Gelaye
11:30 44 Assessment of Residual Anthelmintic Protection Afforded to Lambs Grazing an Infected Pasture Following 3 Different Anthelmintic Treatments. C. Monahan,*, W. P. Shulaw, C. Little
11:45 45 Is There Any Effect by Dietary Diatomaceous Earths in the Control of Gastrointestinal Nematodes? L. Nuti, B. Johnson, D. McWhinney, N. Elsayed, J. Thompson, T. Craig*
12:00 46 Comparative Efficacy of Doramectin, Ivermectin, Albendazole and Albendazole-Closantel Mixture Against Natural Nematode Infection in Awassi Sheep and Local Goats in Jordan. M. N. Abo-Shehada*, A. H. Atta, B. Arab, P. Torgerson
12:15-1:15-LUNCH
Session VIII, Salon F. Diagnostic Parasitology
Moderators: A. Gajadhar, K. Snowden
10:30 47 The Use of a Quality Assurance Program to Ensure Reliable Test Results. L.B. Forbes*, A. A. Gajadhar, W. B. Scandrett
10:45 48 Development of Improved Diagnostic Procedures for Cysticercus bovis. W. B. Scandrett*, S. E. Parker, O. A. Ogunremi, L. B. Forbes, A. A. Gajadhar
11:00 49 Evaluation of a Fluorogenic Real-Time PCR Assay for the Detection of Toxoplasma gondii in Biological Samples. L. H. Jauregui*, J. Higgins, D. Zarlenga, J. K. Lunney
11:15 50 Flow-Cytometry for Determining the Viability of Oocysts of Cryptosporidium parvum Recovered from Chambers. S. Kato*, D. D. Bowman
11:30 51 Comparison of Performance of Heartworm Antigen Test Kits in Dogs Having Low Worm Burdens. C. H. Courtney*, Qi-Yun Zeng
11:45 52 Study to Determine the Performance of Commercially Available Canine Heartworm Antigen Test Kits. J.W. McCall*, N. Supakorndej, A. R. Donoghue, R. K. Turnbull
12:00 53 Identification and Antigenic Characterization of Brazilian Isolates of Anaplasma marginale Through Indirect Fluorescent Antibodies Technique and Western Blot with Monoclonal Antibodies. J. B. Oliveira, C. R. Madruga, M. A. M. Schenk, C.L. Massard, G. H. Palmer, J. Pompeu
12:15-1:15 LUNCH
Session IX, Salon F. AAVP SYMPOSIUM
Perplexing Protozoan Zoonoses: Giardia
and Leishmania
Moderator: A. Zajac
1:15 54 Towards a Better Understanding of The Zoonotic Potential of Giardia Infections: The Impact of Molecular Epidemiology. R. C. A. Thompson.
2:05 55 Clinical Update on Small Animal Giardiasis. M. R. Lappin
2:45 56 Canine Visceral Leishmaniasis - United States. P. M .Schantz
3:15-3:30 Break
Session X, Salon E. Dirofilariasis
Moderators: D. Bowman, A. Donoghue
3:30 57 Field Evaluation of a Moxidectin Sustained Release Injectable Formulation for the Prevention of Heartworm Disease in Dogs. D. Rock*, K. Heaney, D. Peterson, W. Barton, S. Levy, L. Smith, T. Terhune
3:45 58 Clinical Observations from the Administration of' Moxidectin Canine Sustained Release Injectable in Ivermectin Sensitive Dogs. A. J. Paul *, D. E. Hutchens, R. M. Cleale, W. Tranquilli
4:00 59 Further Evidence of Clinical Prophylactic (Reach-back) and Adulticidal Activity of Monthly Administrations of Ivermectin (Heartgard Plus) in Dogs Experimentally Infected with Heartworms. J. W. McCall*, N. Supakorndej, A. M. Mansour, M. T. Dzimianski, S. D. McCall
4:15 60 Clinical Observations Following the Administration of Moxidectin Canine Sustained Release (SR) Injectable in Heartworm Positive Dogs. B. L. Blagburn*, J. M. Butler, J. L. Vaughan, R. Dino Rulli
4:30 61 Six Month Prophylactic Efficacy of a Sustained Release 10% Moxidectin Injectable Against Dirofilaria immitis. J. McCall*, J. Lok, D. Knight, M. Dzimianski, R. Cleale, W. Steber, M. K. Heaney
4:45 62 Effect of In Vitro Exposure to Melarsomine Dihydrochloride (Immiticide) on Adult Dirofilaria immitis Transplanted into Heartworm Naïve Beagles. J. W. McCall, M. T. Dzimianski*, N. Supakorndej, P. Supakorndej, A. M. Mansour
5:00 63 Distribution, Prevalence and Relative Risk of Filariasis in Washington State Dogs 1997-1999. J. H. Theis*, F. Stevens, M. Law
5:15 64 Study on Prevalence Rate of Spirocerca lupi (Nematoda: Spirurida) in Stray Dogs in Urmia, Iran. S. Naem, S. A. Sadati
Session XI, Salon F. Molecular
Biology of Parasites
Moderators: S. Abner, L. Mansfield
3:30 65 Expressed Sequence Tags from Haemonchus contortus Intestine. D. P. Jasmer, J. Roth, P. J. Myler
3:45 66 Cathepsin B-Like Cysteine Proteases Can Account for Intestinal Cysteine Protease Activity from Haemonchus contortus. S. Shompole*, D. P. Jasmer
4:00 67 Characterization of Serine-Threonine Kinase Genes in the Hookworm, Ancylostoma caninum P. Arasu*, C. Ratz, J. Therrien
4:15 68 Molecular and Antigenic Analysis of Multiple Sarcocystis neurona Isolates Obtained from Horses with Equine Protozoal Myeloencephalitis from Different Geographic Regions. A. E. Marsh*, P. J. Johnson, D. Vardeleon, J. Ramos-Vara, G. C. Johnson.
4:30 69 Biological and Genetic Differences in Neospora hughesi and Neospora caninum. C. P. Walsh, R. B. Duncan, Jr, N. Sriranganathan, A. M. Zajac, M. C. Jenkins, D. S. Lindsay*
4:45 70 Molecular Characterization of an Avian Isolate of Encephalitozoon hellem. K. Snowden*, K. Logan, D. Phalen
5:00 71 Phylogenetic Analysis of Blastocystis spp. from Animal Hosts. J. Hoevers*, K. Snowden.
5:15 72 Update on USDA Microbial Genomics Stakeholders Workshop. J.K. Lunney
Session XII, Salon F. PFIZER
SELAMECTIN SERIES
Moderator: T. McTeir
5:30 73 Efficacy of Selamectin Against Experimentally Induced Heartworm (Dirofilaria immitis) Infections in Dogs and Cats. J. W. McCall*, T. L. McTier, D. J. Shanks, P. Watson, C. Genchi, R. H. Six, C. A. Thomas, S. K. Dickin, G. Pengo, T. G. Rowan, A. D. Jernigan
5:45 74 Field Efficacy and Safety of Selamectin Against Heartworms in Dogs in the United States. M. G. Boy, R. H. Six, C. A. Thomas, J. A.Wren*, T. G. Rowan, A. D. Jernigan
6:00 75 Field Efficacy and Safety of Selamectin Against Fleas on Dogs and Cats in North America. M. G. Boy, R. H Six*, C. A. Thomas, T. G. Rowan, A. D. Jernigan
6:15 76 Evaluation of the Ovicidal and Larvacidal Effects of Selamectin Against Fleas (Ctenocephalides felis) on Dogs. T. L. McTier*, M. H. Holbert, C. S. Wang, T. G. Rowan, A. D. Jernigan.
6:30 77 Field Efficacy and Safety of Selamectin Against Otodectes cynotis on Dogs and Cats in the United States and Europe. R. H. Six*, R. G. Clemence, C. A. Thomas, M. G. Boy, P. Watson, H. Benchaoui, P. J. M. Clements, T. G. Rowan, A. D. Jernigan
6:45 78 Field Efficacy and Safety of Selamectin Against Sarcoptes scabiei on Dogs in the United States and Europe. T. L. McTier*, R .H. Six, R. G. Clemence, C. A. Thomas, S. Behan, M. G. Boy, P. Watson, H. Benchoui, P. J. M. Clements, T. G. Rowan, A. D. Jernigan
7:00 79 Field Efficacy and Safety of Selamectin Against Gastrointestinal Nematodes in cats in the United States and Europe. R.H. Six, G. H. Sture, C. A. Thomas, R. G. Clemence, H. A. Benchaoui, M. G. Boy, P. Watson, D. G. Smith, J. A. Wren*, A. D. Jernigan, T. G. Rowan
7:30-9:30, Salons A-E. PFIZER RECEPTION
Monday, July 24, 1999
Session XIII, Salon E. Cattle Nematode Management
Moderators: C. Courtney, R. Ridley
8:00 80 Persistent Activity of Eprinomectin Pour-On for Cattle Against Trickle Infections of Dictyocaulus viviparus. J. E. Holste*, D. Bowman, R. Sifferman, W. Langholff, D. Wallace, M. Romano, L. Cramer
8:30 81 Plasma and Milk Kinetics of Eprinomectin Following Topical Administration to Dairy Cows. M. Alvinerie
8:45 82 Comparison of Eprinomectin with Other Macrocyclic Lactones in Cattle. A. Paul, D. Hutchens*, K. Hart, A. E. Maciel, C. Robertson, S. J. Gross
9:00 83 Effect of Eprinomectin at Calving on Milk Production of Dairy Herds. G. Little, D. Beggs, I. Carmichael, R. Dyson, J. Malmo, N. Leighton, M. Pyman, M. Webster, R. Gogolewski, S. Gross, A. Maciel, W. Ryan*
9:15 84 Persistent Efficacy of Topical Doramectin and Eprinomectin Against Ostertagia ostertagi and Cooperia oncophora Infections in Cattle. J. Vercruysse*, P. Dorny, D. Demeulenaere, K. Smets , E. Claerebout.
9:30 85 Estimating the Effects of Gastrointestinal Nematodes in Calves on Summer Pastures. K. J. Mertz*, W. B. Epperson, M. B. Hildreth
9:45 86 Optimum Frequency for Deworming Growing Cattle on Pasture During Winter in Florida. L. B. Davis, W. E. Kunkle, C. H. Courtney*
9:45 87 Transmission Rate of Gastrointestinal Nematode Infections of Sheep and Cattle in The Netherlands. M. Eysker*, C. Vergouw, H.W. Ploeger
10:00-10:30 Break
Session XIV, Salon F. Ectoparasites
Moderators: B. Blagburn, M. Dryden
8:00 88 Efficacy In Vitro of Acaricides in the Cattle Tick Boophilus microplus from Mata and Agreste Regions of Pernambuco. State, Brazil. V. L. A Santana, M. A. Gloria Faustino, L. C. Alves*; M. M. Lima
8:15 89 Purification and Characterization of Cz Est9, a Permethrin Hydrolyzing Esterase of the Cattle Fever Tick, Boophilus microplus. J. H. Pruett*, F. D. Guerrero
8:30 90 Efficacy of Pyriproxyfen in a Spot-On Application against Fleas on Cats. T. A. Miller*, B. L. Blagburn
8:45 91 Evaluation of the Catandog's Tag to Eliminate and Prevent Flea Infestations in Cats. P. A. Payne*, M. W. Dryden, V. Smith
9:00 92 Identification of Novel Target Proteins by EST Sequencing of Cat Flea Tissue-Specific cDNA Libraries. P. J. Gaines, K. S. Brandt, S. J. Walmsley, C. M. Bozic, N. Wisnewski*
9:15 93 Elimination Speed, Efficacy and Anti-Fixing, Anti-Feeding Efficacy of 9% Amitraz Collars and Topical Selamectin™ in Experimental Dermacentor variablis Infestations in Dogs. O. Elfassy*, F. Goodman, L. Leeper-Carter
9:30 94 Killing Effect of 9% Amitraz Collars and Topical Selamectin Against Pre-Existing Dermacentor Variablis Infestation in Dogs. O Elfassy* , F Goodman, L. Leeper-Carter
9:45 95 Efficacy Of 9% Amitraz Tick Collars in Preventing the Transmission of Borrelia burgdorferi to Dogs by Ixodes scapularis. O. Elfassy, F. Goodman, S. Levy*, L. Leeper-Carter
10:00-10:30 Break
Session XV, Salon E. Livestock and Poultry
Parasites
Moderators: R. O'Handley, S. Marley
10:30 96 Comparison of Deworming Protocols for Replacement Gilts. G. H. Myers*, F. L. Cunningham
10:45 97 Arthropod Vectors of Poultry Tapeworms in Southern California Caged Laying Hens. N. C. Hinkle, L. T. Luong, E.G. Platzer*.
11:00 98 Prevalence of Environmentally Important Parasites and Bacteria in Alberta Hogs. N. J. Guselle*, M. E. Olson.
11:15 99 An Investigation into Fatal Cryptosporidiosis in Beef Cattle. M. E. Olson , B. Ralston*, T. A. McAllister, M. Weststein, L. A. Heitman
11:30 100 Effect of Fenbendazole Treatment for Giardiosis in Calves on Intestinal Structure and Function. R. .M. O'Handley*, M.E. Olson, A. Buret, T. A. McAllister, M. Jelinski
11:45 101 The Biology of Giardia and Cryptosporidium in a Beef Herd. B. Ralston*, T. A. Mcallister, M. E. Olson
12:00 102 Dealing with the Anthropocentric Nature of Zoonotic Disease Terminology. D.D. Bowman*
12:15 103 Efficacy of Crystal Protein of Bacillus thuringiensis Against Adult of Schistosoma japonicum In Vitro. Y. Baoan*, Z. Yanqin, X. Xueshan, Z. Junlong, S. Ming, Y. Ziuiu.
12:30-1:30 LUNCH
Session XVI, Salon F. Anthelmintics
Moderators: T. Geary, W. Ryan
10:30 104 Adequate Infection for Anthelmintic Therapeutic Effectiveness Studies in Cattle, Swine, Horses, Cats and Dogs. T. Letonja*
10:45 105 Properties of Levamisole Receptors: Recent Advances. R. J. Martin*
11:00 106 Nematocidal Activity of a Novel Paraherquamide Analog, PNU-141962, in Ruminants. S. S. Johnson*, S. T. Chester Jr., M. F. Clothier, L.F. Krabill, B. H. Lee, D.G. Martin, S. J. Nelson, E. M. Thomas, J. F. Williams, N. Wuyts, R. M. Zaya
11:15 107 The Mechanism of Anthelmintic Action of Paraherquamides is Nicotinic Cholinergic Antagonism. T. G. Geary*, E. W. Zinser, M. L. Wolfe, E. M. Thomas, V. E. Groppis, S. J. Nelson, D. P. Thompson
11:30 108 Polymerization and Benzimidazole Binding Assays with Recombinant - and -Tubulins from Haemonchus contortus. R. Prichard*, M. Oxberry, Y. Bounhas, S. Sharma, G. Lubega, T. Geary
11:45 109 Characterization of -Tubulin Genes from Cyathostome Populations with Differing Sensitivities to Benzimidazole Anthelmintics. R. M. Kaplan*, M. R. Chapman, S. C. Tolliver, E. T. Lyons, T. R. Klei
12:00 110 Cloning a Glutamate-Gated Chloride Channel Gene Fragment from the Cattle Nematode, Cooperia oncophora. A. I. Njue*, R. K. Prichard.
12:15-1:30 LUNCH
12:15-1:30, Salon G. GRADUATE STUDENT LUNCHEON/MIXER
1:30-2:00, Salon H. BUSINESS MEETING
2:00-3:15, Salon H. PRESIDENTIAL ADDRESS & AWARDS
3:15-3:30 Break
Session XVII, Salon E. Topic: Immunology and
Pathology of Livestock Parasites
Moderators: L. Gasbarre, A. Marsh
3:30 111 Ostertagia ostertagi Fourth Stage Larvae Produce an Immunomodulative Factor. T. De Marez*, L. Gasbarre
3:45 112 Identification of Larval Antigens of Ostertagia ostertagi Shed in Feces of Experimentally Infected Calves. T. Qureshi*, C. Santrich
4:00 113 Low Primary Dictyocaulus viviparus Infections Result in Immunity Against Challenge Infection in Calves. M. Eysker*, F. N. J. Kooyman, H. W. Ploeger
4:15 114 Application of Non-Attenuated and Gamma-Irradiated Eimerian Oocysts to Control Avian Coccidiosis. M. Jenkins*, S. Botero, P. Allen, H. Danforth.
4:30 115 Effect of IL-2 DNA Immunization on Cell-Mediated Immunity and Disease Resistance to Coccidiosis in Chickens. H. S. Lillehoj* W. Min
4:45 116 Trichuris suis Excretory-Secretory Products Inhibit the Growth of Campylobacter jejuni. S. R. Abner, D. E. Hill, J. F. Urban, L. S. Mansfield*.
5:00 117 Infection of pigs with Ascaris suum Reduces Uptake of Opsonized-Staphylococcus aureus by Pulmonary Alveolar Macrophages. J.F. Urban, Jr*, M. Morimoto, K. Ishiwata, M. Morimoto, L. Schopf, M. Wills-Karp
5:15 118 Muscle Catabolism During Poultry Coccidiosis. R.H. Fetterer*, P.C. Allen, P.C. Augustine
Session XVIII, Salon F. Topic: Epidemiology of
Parasitic Infections
Moderators: L. Rickard, S. Little
3:45 119 Implementation of National Parasite Occurrence Tracking Using a Computerised Database. L. Polley*, C. Gaschler, A. Gadjadhar
4:00 120 Prevalence of Antibodies to Neospora caninum in White-Tailed Deer from the Southeastern US. S. E. Little*, D. S. Lindsay, W. R. Davidson
4:15 121 Canine Crenosomosis in Atlantic Canada. G. A. Conboy
4:30 122 American Women Pioneers in Veterinary Parasitology. R. A. Roncalli
4:45 123 Prevalence of Cryptosporidium and Giardia Spp. in Northern Alaskan Mammals. L.G. Rickard*, C. Siefker, J.S. Simmons, G.T. Pharr, T.M. O'Hara.
5:00 124 The Prevalence of Giardia and Cryptosporidium in Human, Agriculture, and Wildlife Sources Directly Affecting the North Saskatchewan River Basin in Central Alberta, Canada. T. L. Heitman, L. M. Frederick, J. R. Viste, N. J. Guselle, S. E. Cooke, L. D. Roy, U. M. Morgan, R. C. A. Thompson, and M. E. Olson
5:15 125 Survey of G.I. Parasitism in Eastern U.S. Bison Herds. G.H.Myers
5:30 126 Carrion Dipteran Flies in Riyadh, Saudi Arabia. M. N. Abo-Shehada
Session XIX, Salon F. NOVARTIS SERIES
Moderator: J. Login
6:00 127 A Brief Introduction to Nitenpyram. R Schenker, O. Tinembart, S. H. Barnett, S. T. Witte*
6:15 128 Efficacy of Nitenpyram Against Fleas on Dogs and Cats in a Clinical Field Study. R. Schenker, L. G. Luempert, S. H. Barnett
6:30 129 Simulated Home Trials to Compare Nitenpyram Flavored Tablets in Combination with Program®(lufenuron) to Program Alone for the Control of C. felis on Cats and Dogs. R. Schenker, S. Barnett*
6:45 130 Safety of Nitenpyram in Dogs. S. T. Witte*, L. G. Luempert, III, E. I. Goldenthal, J. L. Schardein, B. E. Johnson
7:00 131 Safety of Nitenpyram in Cats. S. T. Witte*, L. G. Luempert, III, B. E. Johnson, I. M. Grossi, E. I. Goldenthal
7:15 132 Efficacy of Nitenpyram Against a Flea Strain with Resistance to Fipronil. R. Schenker, E. Humbert-Droz, E.W. Moyses1, B. Yerly
7:30-9:30, Salons F-J. NOVARTIS RECEPTION
Tuesday, July 25, 2000
AAVP/AVMA PRESIDENT's Symposium
Convention Center - Room 250 A/B.
Topic: Impact of gastrointestinal Parasitism on Ruminant
Production
Moderator: Robert S. Rew
8:30 133 The Influence of Dietary Supplementation on the Resistance and Resilience of Ruminants to Gastrointestinal Parasitism. R L Coop
9:15 134 Effect of Ostertagia ostertagi Infection on Appetite in Cattle. M. T. Fox
10:00-10:30 Break
10:30 135 Potential Impacts of Anti-nematode Immune Responses on Animal Productivity. L. C. Gasbarre
11:15 136 Impact of Parasite Control in Cattle in Field Trials in North America. R. S. Rew