American Association of Veterinary Parasitologists

43rd Annual Meeting
Renaissance Harborplace Hotel
Baltimore, MD


Saturday, July 25,1998

12:00-2:30  AAVP Board Meeting

Federal Hill Room

2:00-7:00 Registration 

Ballroom Lobby

3:00 Opening Remarks

Room: Baltimore A&B
President: JC Williams
Vice President & Program Chairman: R Rew

3:30 Session I

Room: Baltimore A
Topic: Swine
Moderators: J Urban, D Murrell

1. The Effect of Maternal Immunity on Experimental Ascaris suum Infection in Piglets. J Boes, M
   Varady, L Eriksen, A Roepstorff, P Nansen, S Coates, G Medley

2. Efficacy of Moxidectin 0.5% Pour-On Against Swine Nematodes. TB Stewart, SE Wiles, JE Miller, RD Rulli

3. Characterization of Protective Immune Response in Pigs After Toxoplasma gondii Infection. JK
   Lunney, G Solano-Aguilar, JP Dubey

4. Cell Types in the Lymphoglandular Complex Follicle of Trichuris suis-Infected Gnotobiotic Pigs with Campylobacter Invasion.  DT Gauthier, JF Urban and LS Mansfield

3:30 Session II

Room: Baltimore B
Topic: Other Hosts
Moderators: K Kazacos, G Conder

 5. Recurrent Diarrhea and Giardiasis in Spider Monkeys. N Guselle, V Honeyman, ME Olson

 6. Visitation by Vertebrates to Raccoon Latrines: Its Importance in the Transmission of Baylisascaris procyonis.
   LK Page, RW Swihart, KR Kazacos

 7. Demodicosis in an American Bison. R Ridley, J Vestweber and J Nietfeld

 8. Characterization of Trichinella Larvae Recovered from Walruses in the Canadian Arctic.
        L Forbes, D Leclair, G Falk, A Gajadhar  

4:30 Break

5:00 First Annual Merial Symposium

Room: Maryland A&B
Topic: Ticks and Tick Transmitted Diseases of Companion Animals
Moderator: J Guerrero

 9. Biology and Characteristics of Ticks of Importance to Small Animals and Man. TN Mather

10. Co-Infection with Multiple Tick-Transmitted Pathogens in Dogs. EB Breitschwerdt

11. The Prevention-Protection Concept Against Ticks and Tick Transmitted Diseases in Pets. AK Eschner

6:30-7:00 Break

7:00-9:00 Bayer Animal Health Reception

Room: Maryland C


Sunday, July 26, 1998

8:00 Session III

Room: Maryland A
Topic: Cattle, Sheep and Goats
Moderators: A Zajac, B Blagburn

12. Protective Efficacy of Doramectin Pour-On Solution Against Establishment of LiceInfestations of Cattle. LL Smith, TL Skogerboe

13. Persistent Efficacy of Doramectin in Sheep. BE Stromberg, GA Averbeck, CJ Christians

14. Variation in Resistance to Trichostrongyle Parasites in Goats. A Zajac, T Gipson

15. Benefits of Fenbendazole in Treating Giardiasis in Dairy Calves. R O'Handley, ME Olson, T McAllister, M Jelinski

16. A Longitudinal Study of Giardia and Cryptosporidium in Beef Calves. B Ralston-Chalmers, TA McAllister, ME Olson

17. Biological Characterization of an Isolate of Cryptosporidium muris from a Naturally Infected Dairy Cow. DS Owens, CC Dykstra, SA McCrillis, MA Cheadle, BL Blagburn

8:00 Session IV

Room: Maryland B
Topic: Dog/Cat Parasites
Moderators: D Bowman, K Snowden

18. Antifeeding Response to Repellency Effect of an Antiflea Product. F Ascher, JP Boyd, O Elfassy

19. Antifeeding Response to Knock-Down Effect of an Antiflea Product. F Ascher, JP Boyd, O Elfassy

20. Dose Selection of UK-124,1 14, A Novel Avermectin, for Efficacy Against Fleas (Ctenocephalldes fells) on Dogs and Cats. TL McTier, MS Holbert, AD Jernigan, TG Rowan, CD Smothers, CJ Giles, BF Bishop, NA Evans, KAF Gration

21. Prevalence of Exposure to Dirofilaria immitis in Cats in Multipte Areas in the United States. M Miller, C Atkins, K Stemme, C Robertson, J Guerrero

22. Rapid Detection of Ehrlichia canis in Dogs with Acute or Latent Infection. JS Mathews, SA Ewing, JR Malayer, JC Fox, KM Kocan

23. Canine Encephalitozoonosis. K Snowden, E Didier

9:15-10:00 Break

10:00 AAVP Symposium

Room: Maryland A&B
Topic: Emerging and Opportunistic Diseases
Moderator: J Lunney

24. From Oysters to Man: Parasitic and Toxic Dinoflagellates in the Chesapeake Bay. GR Vasta

25. Cyclospora cayetanensis: An Emerging Protozoan Pathogen. CR Sterling

26. EPM-An Emerging Disease C Fenger

27. Cryptosporidium: An Opportunistic Disease. SJ Upton

1:00-2:30 Presidential Address & Awards

Room: Maryland A&B

2:30-3:00 Break

3:00 Session V   

Room: Maryland A
Topic: Nematode - Cytology and Biochemistry
Moderators: C Lanusse, B Hammerberg

28. Haemonchus contortus: Its Amphidial Cell Bodies, Their Identification, and Verification of Their Identity by Laser Ablation. J Li, FT Ashton, HR Gamble, GA Schad

29. TGF-Beta 2 in Pregnancy-Induced Reactivation of Arrested Hookworm Larvae. D M Kwak, J Therrien, P Arasu

30. Characterization of a Globin-Like Protein from Haemonchus contortus. RH Fetterer, DE Hill, ML Rhoads

31. Comparative Uptake of Albendazole and Albendazole Sulphoxide by Helminth Parasites in vivo and in vitro. L Alvarez, F Imperiale, S Sanchez, J Sallovitz, C Lanusse

3:00 Session VI

Room: Maryland B
Topic: Diagnostics
Moderators: A Donoghue, B Grieve

32. Assessment of Culture and PCR Assay for the Implementation of a Reliable Diagnostic Method for Bovine Trichomoniasis. S Parker, ZR Lun, G Falk, J Campbell, A Gajadhar

33. A Sensitive PCR Assay for the Detection of Tritrichomonas foetus in Cattle. ZR Lun, A Gajadhar

34. Performance of a Feline Heartworm Antibody Lateral Flow Test Cassette. A Donoghue, RR Mondesire, KA Krause, PM Pace, N Guevara

35. Identification of Semi-Quantitation of Ostertagia ostertagi Eggs by Enzymatic Amplification of Its-1 Sequences. DS Zarlenga, LC Gasbarre, P Boyd, E Leighton, JR Lichtenfels

36. Assessment of Excretory-Secretory Products and Somatic Worm Antigens for the Serological Diagnosis of Parelaphostrongylus tenuis Infection in White-Tailed Deer. O Ogunremi, A Gajadhar

4:00-4:30 Break

4:30 Session VII

Room: Maryland A
Topic: Protozoa

Moderators: R Fayer, T Geary

37. Determination of the Activity of Nitazoxanide Against Sarcocystis neurona in Cell Cultures. DS Lindsay, Y Zhang, JP Dubey, K Palma

38. Epidermal Growth Factor (EGF) Inhibits Intestinal Colonization with Cryptosporidium parvum. ME Olson, AG Buret, J Hardin, DG Gall

39 Survival of Giardia Cysts and Cryptosporidium Oocysts in Water, Soil and Cattle Feces.  ME Olson, J Goh, M Phillips

40. Viability of Tritrichomonas foetus Field Isolates in Transport and Culture Media at Various Temperatures. G Falk, ZR Lun, AA Gajadhar

41. In vivo Stage Conversion of Toxoplasma gondii. JP Dubey

42. Experimental Cochiosoma anatis Infections in Poultry. DS Lindsay, C Larsen, A Zajac, FW Pierson

 

4:30 Session VIII

Room: Maryland B
Topic: Immunology - Poultry, Cattle, Sheep
Moderators: D Hill, T Kennedy

43. Immunization of Chickens with Plasmid DNA Encoding Recombinant Eimeria acervulina Antigen Via Jet-Gun Injection Elicits Immunity Against Coccidiosis. M Jenkins, P AlIen, H Danforth, P Augustine

44. Kinetics of IFN-Gamma Gene Expression in the Intestine Following E. acervulina Infection. KD Choi, HS Lillehoj, DS Zarlenga, M Nichols

45. Evaluation of Con A Hi 1 -HgaIGP Vaccine in Suffolk Lambs. MT Pena, EK Kabagambe,  JE Miller, WD Smith, S Barras, Y Li

46. Responses to Mitogen-Stimulation and to Immunization with an Unrelated Antigen of Cattle Naturally Infected with Gastrointestinal Nematodes after Transport to a Feedlot. LC Gasbarre, T Gomez-Munoz, S Almeria, A Canals, J Guerrero, C Robertson

47. Local Immune Responses Induced After Primary and Challenge Infections of Cattle with Either Ostertagia ostertagi or Haemonchus placei.  A Canals, DS Zarlenga, T Gomez, S Almeria,  LC Gasbarre

48. Effect of Previous Exposure on Establishment of Cattle Nematodes after Natural Challenge Exposure on Contaminated Pasture. JC Williams, LC Gasbarre, TR KIei, A DeRosa,  M Chapman


Monday, July 27, 1998

8:00 Session IX

Room: Maryland A
Topic: Sharks, Swine and Cattle
Moderators: M Doscher, T Craig

49. A Novel Class of Steroids Isolated from the Dogfish Shark (Squalus acanthias) Induce a Reversible Spherocytosis in Normal Erythrocytes and Kill Erythrocytic Stages of Plasmodium falciparum RM Kaplan, W Kinney, MA Zasloff

50. Relationship Between Swine Ascaris Infection and Visceral Larval Migrans in Humans from Pig Farming Areas in Kyushu, Japan. K Ishiwata, Y Nawa, Y Horii, F Uchiyama

51. Migration and Development of Ascaris suum Larvae in Erythrocebus patas: Model for Visceral Larva Migrans in Humans. J Urban, T Rasmussen, A Cheever, L Eriksen, P Nansen, D Murrell

52. Field Efficacy of Strategically Administered Anthelmintics in Cow-Calf Management Systems in Mountainous Areas of Spain. S Almeria, J Uriarte, R Revilla

53. Measurement of Drug and Mineral Intake in Individual Animals on Range. ME Olson, BJ Ralston-Chalmers, TA McAllister, CL Cockwill, D Milligan

54. Survival and Development of Eggs of Fasciola hepatica on Pasture During the Summer in Florida. RM Kaplan, BR Kreitz, CH Courtney

8:00 Session X

Room: Maryland B
Topic: Horses
Moderators: J Di Pietro, C Fenger

55. A Controlled Bridging Study in Equines to Compare the Therapeutic Bioequivalence of 0.5% Fenbendazole Top Dress Pellets and 10% Fenbendazole Suspension Administered Orally. DE Hutchens, AJ Paul, JA DiPietro, CJ Jones, TF Lock

56. Effectiveness of Moxidectin for Benzimidazole and Pyrantel Resistant Cyathostomes in Horses. 0 Slocombe, R DeGannes

57. Recent Advances in the Identification and Classification of Small Strongyles of Horses. JR Lichtenfels, VA Kharchenko, RC Krecek, LM Gibbons

58. Characterization of Giardia Recovered from a Horse. ME Olson, N Mutlow, N Guselle

59. Cytokine Gene Expression to Strongylus vulgaris Infection in Immune and Nonimmune Ponies. TR Klei, CP Swiderski, MR Chapman, S Pourciau, R Moore,JR McClure, DW Horohov

9:30-10:00 Break

10:00 Session XI

Room: Maryland A
Topic: Education
Moderators: C Courtney, R Lichtenfels

60. Daniel Elmer Salmon -- A Parasitologist in His Own Right. R A Roncalli

61. Veterinary Parasitology Web Site. J Nahm, RM Corwin

62. Computer-Aided Learning - A Tool for Teaching or Technological "Overkill"? C Johnstone

63. Life Cycle of Eimeria tenella. W Raether, M Uphoff, J Hofmann

10:00 Session XII

Room: Maryland B
Topic: Biological Control
Moderators: R Fetterer, A Marchiondo

64. Histological Evaluation of Effect of Neem Leaf Extract of Haemonchus contortus: In Vitro Study. M Johal, J Singh

65 Efficacy of Dudingtonia flagrans in Reducing Infective Equine Cyathostome L3 on Pasture in Southern Louisiana. MA Baudena, M Larsen, TR Klei

66. Entomopathogenic Nematodes as Control Agents of Developmental Stages of the Black-Legged Tick Ixodes scapularis. D E Hill

67. Larvicidal Activity of Crystal Toxin of Bacillus thurigiensis to Haemonchus contortus - Fourth Stage Larvae. Y Baoan, W Xiang, X Xueshan, Z Jinlong, Y Ziaiu

11:00-12:00 Business Meeting

12:00-1:30 Lunch

1:30 Session XIII

Room Maryland B
Topic: Cattle - Pharmacology and Treatment

Moderators: T Letonja, C Reinemeyer

68. Distribution of Endectocide Compounds to Target Tissues in Cattle. A Lifschitz, G Virkel, J Sutra, P Galtier, M Alvinerie, C Lanusse

69. Field and Control Trial Determinations of Moxidectin Effectiveness in the Treatment of Naturally Acquired Bovine Nematodosis. TA Yazwinski, C Tucker, RM Cleale, GT Wang

70. Comparison of Ivermectin Topical vs. A Combination of Fenbendazole, Permethrin and Fenthion in Feedlot Calves. PT Guichon, CW Booker, GK Jim, OC Schunicht, JR Brown

71. Persistent Efficacy of Doramectin Pour-On Solution Against Artificially-Induced Infections of Dictyocaulus viviparus in Cattle. B Stromberg, B Woodward, G Averbeck

72. Persistent Efficacy of Doramectin Against Haemonchus placei Infections in Cattle. TA Yazwinski, C Tucker, Z Johnson, D Waistrom

73. Efficacy and Productivity Responses of Dectomax® - Treated Stocker Calves in Alabama. RE Blaylock, JP Pollreisz and RS Rew

1:30 Session XIV

Room: Maryland A
Topic: Dog - Nematodes
Moderators: B Arther, S Barr

74. The Prevalence of Gastrointestinal Nematode Parasites in Well-Cared-for Pet Dogs in the East Coast of the USA. G Smith, G Schad

75. The Prevalence of Endoparasites of Dogs and Cats in Shelters and the Effect of Anthelmintic Protocols. M O'Brien, TJ Nolan

76. Studies of Filariasis of Dogs in Los Angeles County, CA. Local Vectors of Dirofilaria immitis.  TH Theis, R Saviskas

77. Studies on Filariasis of Dogs in Los Angeles County, CA, July 1, 1996 through August 31, 1997. TH Theis, F Stevens

78. Angiostrongylus vasorum Infection in Dogs in Newfoundland, Canada. G Conboy, H Whitney, S Raihan

79. Environmental Contamination by Puppies Infected with Toxocara canis. KR Kazacos

3:00 Break

3:30 Session XV

Room: Maryland B
Topic: Late Breaking Session
Moderator:  S. Marley

80. Experimental Transmission of Hepatozoon americanum to Dogs by the Gulf Coast Tick, Amblyomma maculatum. JS Mathew, SA Ewing, RJ Panciera, JP Woods

81. Equine Protozoal Myeloencephalitis (EPM): Seroprevalence and Risk Factors in Michigan Horses. MG Rossano, JB Kaneene, LS Mansfield

82. New Molecular Methods for Pathogen Detection. J Higgins

83. Evaluation of Melarsomine Dihydrochloride (Immiticide®) for Adulticidal Activity Against Dirofilaria immitis in Cats. LW McLeroy, JW McCall, MT Dzimianski, N Supakorndej

84. Persistent Efficacy of Doramectin Topical Solution Against Artificially-Induced Infestations of Bovicola bovis and Solenopotes capillatus in Cattle. L Smith, J Lloyd, J Waggoner, M Grubbs, R Kumar, E Norelius

85. Persistent Efficacy of Doramectin Injectable Solution Against Artificially-Induced Infections of Ostertagia ostertagi in Cattle. CR Reinemeyer, FM Andrews, TL Skogerboe, JM Cunningham, DJ Walstrom

86. Preventing Transmission of Sarcoptes scabiei var. suis Infestations from Sows to Nursing Piglets by a Prefarrowing Treatment with Doramectin Injectable Solution. LD Firkins, CJ Jones, DP Keen, JJ Arends, L Thompson, TL Skogerboe

87. Efficacy of Moxidectin Oral Gel Against Gasterophilus nasalis and Gasterophilus intestinalis Infections in Horses. CR Reinemeyer, FM Andrews, DW Rock, PJ Scholl

26. In vitro Modulation of T cell stimulation by Ostertagia ostertagi extracts. MT Gomez-Munoz, A Canals, S Almeria, P Pasquali, D Zarlenga & L Gasbarre

5:30 Pfizer Symposium

Room: Maryland B
Topic: Immunology

Moderator: R. Rew

88. Parasite Vaccines: Insights into Building New Biological Weapon Systems for Testing at the Host-Pathogen Front. DA Brake

89. The Hidden Antigen Approach to Parasite Vaccines. N Wisnewski

90. Tick Modulation of Host Immunity: An Important Factor in Pathogen Transmission. SK Wikel, GB Schoeler

7:00-10:00 Pfizer Animal Health Reception

Maryland Science Center


Tuesday, July 28, 1998

8:00-12:00 AAVP/AVMA President's Symposium

Room: Convention Center Room 343
Topic: Introduction to Current Knowledge and Practical Applications in Livestock Parasitism

Moderator: J.C. Williams

91. Current Knowledge and Practical Applications in Livestock Parasitism: Introductory Remarks. JC Williams

92. Diagnostic, Immunologic and Genetic Aspects of Nematode Parasitism in Cattle. LC Gasbarre

93. Practical Control of Nematode Parasitism in Cattle. BE Stromberg

94. Current Control Methods for Ectoparasites. PJ Scholl

95. Bovine Neosporosis: Epidemiology and Impact. JP Dubey

96. Diagnosis, Epidemiology and Control of Liver Fluke Infections in Cattle. JB Malone


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