Poultry Science: Personnel
Personnel
Dr. Larry McDougald B.S., Southeastern Oklahoma St. University Poultry Science Department Phone: (706) 542-1367 |
Areas of Interest: Poultry Parasitology (Coccidiosis, Histomoniasis)
The control and prevention of coccidiosis by anticoccidial drugs
The application of live vaccines for control of coccidiosis in broilers
Research on the biology and biochemistry of Coccidia (Eimeria) and Histomonas
Epidemiology and control of histomoniasis (Blackhead disease) in chickens and turkeys
Partial list of Publications:
Articles Published in the Popular Press (21): Selected Titles:
McDougald, L. R. 1990. Coccidiosis control in the 1990's. Canada Poultryman, October 1990, pp 18-22.
McDougald, L. R. 1992. Orientations pour les annees 1990 dans le controle de la coccidiose des poulets - Une revue des anticoccidiens. Maghreb Veterinaire 6 (26): 18-22.
McDougald, L. R. 1992. Diclazuril - A significant new product for the control of coccidiosis. Misset-World Poultry 8(6): 36-39.
McDougald, L. R. 1992. Coccidiosis vaccines for broilers. Broiler Industry, May 1992, pp. 17-22.
McDougald, L. R. 1997. Blackhead disease (histomoniasis) in chickens. Poultry Digest, September 1997. Pp. 8-10.
McDougald, L. R., 2000. The expanding world of coccidiosis. World Poultry, Coccidiosis Supplement. pp. 2-5.
McDougald, L. R., 2000. New developments in research on Blackhead disease in chickens. World Poultry. 16 (8): 46-49.
Books and Chapters in Reference Works (25): Selected Titles:
McDougald, L. R., and W. M. Reid, 1991. Coccidiosis. In Diseases of Poultry, B. W. Calnek (ed.), Iowa State University Press, Ames, 780-797.
McDougald, L. R., 1991. Other protozoan diseases of the intestinal tract. In: Diseases of Poultry, In B. W. Calnek et al., eds., Iowa State University Press, Ames, IA, pp. 804-813.
Calnek, B. W., H. J. Barnes, C. W. Beard, L. R. McDougald, and Y. M. Saif, eds. 1997. Diseases of Poultry, 10th edition. Iowa State University Press, Ames, IA, 1080 pp.
Reid, W. M., and L. R. McDougald, 1997. Cestodes and Trematodes. In: B. Calnek et al.,eds., Diseases of Poultry, 10th edition. Iowa State University Press, Ames, IA, pp. 850-864.
McDougald, L. R. 1997. Introduction to the Protozoa. In: B. Calnek et al. eds.,
Diseases of Poultry, 10th edition. Iowa State University Press. Ames, IA, p. 865.
McDougald, L. R. 1997. Coccidiosis. In: B. Calnek et al. eds., Diseases of Poultry,
10th edition. Iowa State University Press, Ames, IA, pp. 865-862.
McDougald, L. R. 1997. Other Protozoan Diseases of the Intestinal Tract. In: B. Calnek et al., eds., Diseases of Poultry. 10th edition., Iowa State University Press, Ames, IA. pp. 890-899.
McDougald, L. R.. 1998. Coccidiosis. In: Merck Veterinary Manual, 8th edition, Merck Research Laboratories, Rahway, NJ.
Research Publications in Refereed Journals (97): Selected titles:
McDougald. L. R.. L. Fuller and J. Solis, 1986. Drug sensitivity of 99 isolates of coccidia from broiler farms. Avian Dis. 30: 690-694.
McDougald, L. R., J. M. DaSilva Lamas, J. Solis and M. Braga, 1987. A survey of sensitivity to anticoccidial drugs in 60 isolates of coccidia from broiler chickens in Brazil and Argentina. Avian Dis. 31: 287-292.
McDougald, L. R.. G. T. Wang. S. Kantor. R. Schenkel and C. Quarles, 1987. Efficacy of maduramicin against ionophore-tolerant field isolates of coccidia in broilers. Avian Dis. 31: 302-308.
Mathis. G. F., and L. R. McDougald. 1987. Evaluation of interspecific hybrids of the chicken, guinea fowl and Japanese quail for innate resistance to coccidia. Avian Dis. 31: 740-745.
Gilbert, J. M., J. K. Bhanushali and L. R. McDougald. 1988. An enzyme linked immunosorbent assay (ELISA) for coccidiosis in chickens: Correlation of antibody levels with prior exposure to coccidia in the laboratory and the field. Avian Dis. 32: 688-694.
Fuller, A. L., and L. R. McDougald. 1989. Analysis of coccidian oocyst populations by means of flow cytometry. J. Protozool. 36: 143-146.
Rotibi, A., L. R. McDougald and J. Solis. 1989. Response of 21 Canadian field isolates of chicken coccidia to commercial anticoccidial drugs. Avian Dis. 33: 365-367.
Xie. M. Q., J. M. Gilbert. A. L. Fuller and L. R. McDougald, 1990. A new method for purification of Eimeria tenella merozoites. Parasitol. Res. 76:566-569.
McDougald. L. R.. A. L. Fuller and B. L. McMurray. 1990. An outbreak of Eimeria necatrix coccidiosis in breeder pullets: Analysis of immediate and possible long-term effects on performance. Avian Dis. 34: 485-48'
Fuller, L. A., and L. R. McDougald, 1990. Reduction in cell entry of Eimeria tenella (coccidia) sporozoites by protease inhibitors, and partial characterization of proteolytic activity associated with intact sporozoites and merozoites. J. Parasitol. 76: 464-467.
McDougald, L. R., A. L. Fuller, G. F. Mathis and G. T. Wang, 1990. Efficacy of maduramicin ammonium against coccidiosis in turkeys under laboratory and floor-pen conditions. Avian Dis. 34: 634-638.
McDougald, L. R., B. P. Seibert, G. F. Mathis and C. L. Quarles. 1990. Anticoccidial efficacy of diclazuril in broilers under simulated natural conditions in floor pens. Avian Dis. 34: 905-910.
McDougald, L. R., G. F. Mathis and Barbara F. Seibert. 1990. Anticoccidial efficacy of diclazuril against recent field isolates of Eimeria from commercial poultry farms. Avian Dis. 34: 911-915.
McDougald, L. R., G. F. Mathis and B. P. Seibert. 1991. Anticoccidial efficacy of diclazuril against recent field isolates of Eimeria from commercial turkey farms in the United States. Avian Dis. 35: 863-868.
Xie, M. Q., T. Fukata, J. M. Gilbert and L. R. McDougald. 1991. Evaluation of anticoccidial drugs in chicken embryos. Parasitol. Res. 77: 595-599.
Arakawa, A., T. Fukata, E. Baba, L. R. McDougald, J. S. Bailey and L. C. Blankenship. 1992. Influence of coccidiosis on Salmonella colonization in broiler chickens under floor pen conditions. Poultry Sci. 71: 59-63.
Baba, E., A. L. Fuller, J. M. Gilbert, S. G. Thayer and L. R. McDougald 1992. Effects of Eimeria brunetti infection and dietary zinc on experimental induction of necrotic enteritis in broiler chickens. Avian Dis 36:59-62.
Fukata, T., K. Sassai, A. Arakawa and L. R. McDougald, 1992. Penetration of Eimeria tenella sporozoites under different oxygen concentrations in vitro. J. Parasitol. 78:537-538.
Xie, M., J. M. Gilbert and L. R. McDougald. 1992. Electrophoretic and immunologic characterization of merozoites of Eimeria acervulina, E. maxima, E. necatrix and E. tenella. J. Parasitol. 78: 82-86.
McDougald, L. R., J. M. Gilbert, A. Lorraine Fuller, A. Rotibi, Ming Quan Xie, and Guan Zhu. 1992. How much does roxarsone contribute to coccidiosis control in broilers when used in combination with ionophores? J. Appl. Poult. Res. 1:172-179.
Zhu. G.. and L. R. McDougald. 1992. Characterization of resistance to ionophores in vitro and in vivo in a strain of E. tenella. Parasitol. 78: 1067-1073.
Zhu. G. and L. R. McDougald. 1993. Variant proteins associated with ionophore resistance in sporozoites of Eimeria tenella (Coccidia). Parasitol. Res. 79:480-484.
Zhu. G., and L. R. McDougald, 1993. Amplification of ionophore resistance in Eimeria tenella by treatment in vitro. Vet. Parasitol. 51: 211-217.
Zhu, G.. Johnson, J. K., and L. R. McDougald, 1994. Peptides associated with monensin resistance in sporozoites of Eimeria tenella. J. Parasitol. 80:284-287.
Bhanushali, J. K., J. M. Gilbert and L. R. McDougald. 1994. Simple method to purify chicken immunoglobulin G. Poultry Sci. 73: 1158-1161.
Fuller, A. L., J. Golden and L. R. McDougald. 1995. Flow cytometric analysis of response of ionophore resistant and sensitive Eimeria tenella (Coccidia) sporozoites to coccidiocidal effects of ionophores. J. Parasitol. 81:985-988.
Zhu, Guan, and L. R. McDougald, 1995. Confocal laser scanning microscopy of b-tubulin and a-actinin in asexual stages of (Apicomplexa: Eimeriidae) in cell culture. Archiv. Protistenkd. 145:112-118.
McDougald. L. R., G. F. Mathis, and D. P. Conway, 1996. Effect of semduramicin, salinomycin and monensin on pe pigmentation and coccidial lesions in broiler chickens in floor pens. Avian Dis. 40:68-71.
Baba, E., T. Ikemoto, T. Fukata, K. Sasai, A. Arakawa and L. R. McDougald, 1997. Clostridial population and the intestinal lesions in chickens infected with Clostridium perfringens and Eimeria necatrix. Vet. Microbiol. 54:301-308.
McDougald. L. R., A. L. Fuller. and R. Mattiello, 1997. A survey of coccidia in 43 flocks of broiler and breeder chickens in Argentina. Avian Dis. 41: 923-929.
McDougald, L. R.. and B. P. Seibert.. 1998. Residual activity of anticoccidial drugs in chickens after withdrawal of medicated feeds. Vet. Prasitol. 74: 91-99.
Gilbert, J. M., A. L. Fuller, T. C. Scott, and L. R. McDougald, 1998. Biological effects of gamma-irradiation on laboratory and field isolates of Eimeria tenella (Protozoa; Coccidia). Parasitol. Res. 84: 837-841.
McDougald, L. R., 1998. Intestinal protozoa important to poultry (Review). Poultry Sci. 77:1156-1158.
Hu. J., and L. R. McDougald. 2000. Do anticoccidial drugs interfere with development of immunity to coccidiosis? J. Appl. Poult. Res. 9:352-358.
Mattiello, R., and L. R. McDougald, 2000. Eimeria brunetti in chickens of Argentina and confirmation of seven species of Eimeria. Avian Dis 44: 711-714.
Fuller, A. L., and L. R. McDougald, 2001. Cell membrane labeling of Eimeria tenella sporozoites with the fluorescent dye PKH-67GL for tracking parasite-host interactions. Parasitol. Res., 87:521-525.
McDougald, L. R., a nd J. Hu. 2001. Blackhead disease (Histomonas meleagridis) aggravated in broiler chickens by concurrent infection with cecal coccidiosis (Eimeria tenella). Avian Dis. 45: 307-312.
Fuller, A. L. and L. R. McDougald. 2002. Lectin-binding by sporozoites of Eimeria tenella. Parasitol. Res. 88: 118-125.
Hu, J. and L. R. McDougald, 2002. Effect of anticoccidials and antibiotics on the control of blackhead disease in broiler breeder pullets. J. Appl. Poult. Res. 11:351-357.
Hu, J. and L. R. McDougald. 2003. Direct lateral transmission of Histomonas meleagridis in turkeys. Avian Dis. 47: (In press).