Search Results - "Danforth, H D"

Sustainable coccidiosis control in poultry production: the role of live vaccines by Chapman, H.D, Cherry, T.E, Danforth, H.D, Richards, G, Shirley, M.W, Williams, R.B

“…The development of new methods of administering coccidiosis vaccines has facilitated their use in the hatchery and thereby improved prospects for the economic…”
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effect of dietary protein level on performance characteristics of coccidiosis vaccinated and nonvaccinated broilers following mixed-species Eimeria challenge by Lee, J. T, Eckert, N. H, Ameiss, K. A, Stevens, S. M, Anderson, P. N, Anderson, S. M, Barri, A, McElroy, A. P, Danforth, H. D, Caldwell, D. J

“…A series of experiments were conducted to investigate the effect of starter diet protein levels on the performance of broilers vaccinated with a commercially…”
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Phylogenetic Relationships among Eight Eimeria Species Infecting Domestic Fowl Inferred Using Complete Small Subunit Ribosomal DNA Sequences by Barta, John R., Martin, Donald S., Liberator, Paul A., Dashkevicz, Michael, Anderson, Jennifer W., Feighner, Scott D., Elbrecht, Alex, Perkins-Barrow, Ann, Jenkins, Mark C., Danforth, Harry D., Ruff, Michael D., Profous-Juchelka, Helen

“…Complete 18S ribosomal RNA gene sequences were determined for 8 Eimeria species of chickens and for Eimeria bovis of cattle. Sequences were aligned with each…”
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Use of live oocyst vaccines in the control of avian coccidiosis: experimental studies and field trials by Danforth, H.D

“…Areas addressed in this study on the use of live oocyst vaccines to control coccidiosis include: the influence of immunocompetency of the strains and sex of…”
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Analysis of immunological cross-protection and sensitivities to anticoccidial drugs among five geographical and temporal strains of eimeria maxima by Martin, A.G., Danforth, H.D., Barta, J.R., Fernando, M.A.

“…Two laboratory strains (USDA strain No. 68 isolated from the eastern shore of Maryland 15 years ago and a University of Guelph strain isolated from an Ontario…”
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Effects of components of Artemisia annua on coccidia infections in chickens by Allen, P.C, Lyon, J, Danforth, H.D

“…Four experiments were run to test the anticoccidial activity of dried Artemisia annua leaves and several of their chemical constituents for possible use as…”
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Immunostimulating Complexes Incorporating Eimeria tenella Antigens and Plant Saponins as Effective Delivery System for Coccidia Vaccine Immunization by Berezin, V. E, Bogoyavlenskiy, A. P, Tolmacheva, V. P, Makhmudova, N. R, Khudyakova, S. S, Levandovskaya, S. V, Omirtaeva, E. S, Zaitceva, I. A, Tustikbaeva, G. B, Ermakova, O. S, Aleksyuk, P. G, Barfield, R. C, Danforth, H. D, Fetterer, R. H

“…Immunostimulating complexes (ISCOMs) are unique, multimolecular structures formed by encapsulating antigens, lipids, and triterpene saponins of plant origin,…”
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Intestinal mucosal mast cell immune response and pathogenesis of two Eimeria acervulina isolates in broiler chickens by Morris, B.C, Danforth, H.D, Caldwell, D.J, Pierson, F.W, McElroy, A.P

“…Four experiments were conducted comparing intestinal immune responses to 2 isolates of Eimeria acervulina (EA), EA1 and EA2. In experiments 1 and 2, broiler…”
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Analysis of infraspecific variation among five strains of Eimeria maxima from North America by Barta, J.R., Coles, B.A., Schito, M.L., Fernando, M.A., Martin, A., Danforth, H.D.

“…Two laboratory strains from the eastern shore of Maryland 15 years ago and from an Ontario broiler house 23 years ago and three recent field strains of Eimeria…”
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Development of a Protective Index to Rank Effectiveness of Multiple Treatments Within an Experiment: Application to a Cross-Protection Study of Several Strains of Eimeria maxima and a Live Vaccine by Allen, P. C, Danforth, H. D, Vinyard, B. L

“…Vaccination of chickens with live oocysts has become a more widely used method for controlling avian coccidiosis as resistance to anticoccidial medication…”
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Influence of Betaine and Salinomycin on Intestinal Absorption of Methionine and Glucose and on the Ultrastructure of Intestinal Cells and Parasite Developmental Stages in Chicks Infected with Eimeria acervulina by Augustine, P. C., Danforth, H. D.

“…The effect of betaine and salinomycin on absorption of methionine and glucose in tissue from the duodenal loops of Eimeria acervulina-infected chicks was…”
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Participation of the intestinal epithelium and mast cells in local mucosal immune responses in commercial poultry by Caldwell, D.J, Danforth, H.D, Morris, B.C, Ameiss, K.A, McElroy, A.P

“…The intestinal mucosa of commercial poultry is continually subjected to invasion or colonization by a wide array of potentially hostile enteric pathogens…”
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Immunogenicity of ad libitum drinking water administration of bovine serum albumin in Leghorn chickens by Ameiss, K.A, Danforth, H.D, McElroy, A.P, Barri, A, Berghman, L.R, Caldwell, D.J

“…Oral administration of protein antigen in solution routinely leads to development of oral tolerance in most mammals but has been reported to be fully…”
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Maternal immunization with gametocyte antigens as a means of providing protective immunity against Eimeria maxima in chickens by Wallach, M. (The Hebrew University-Hadassah Medical School, Jerusalem), Halabi, A, Pillemer, G, Sar-Shalom, O, Mencher, D, Gilad, M, Bendheim, U, Danforth, H.D, Augustine, P.C

“…In the present study, we wished to demonstrate the ability of surface gametocyte antigens to induce protective immunity against Eimeria maxima infections in…”
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Evaluation of a gel-immunization technique used with two different immucox vaccine formulations in battery and floor-pen trials with broiler chickens by DANFORTH, H. D, LEE, E.-H, MARTIN, A, DEKICH, M

“…The use of a gel-immunization technique with Immucox vaccination was compared and evaluated against other immunization methods in battery and floor-pen…”
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X-irradiation of Eimeria tenella oocysts provides direct evidence that sporozoite invasion and early schizont development induce a protective immune response(s) by Jenkins, M.C. (Protozoan Diseases Laboratory, ARS, Beltsville, MD), Augustine, P.C, Danforth, H.D, Barta, J.R

“…Sporulated oocysts of the protozoan parasite Eimeria tenella were attenuated by exposure to various doses of X-radiation to inhibit intracellular replication…”
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The effect of high n-3 fatty acids diets on the ultrastructural development of Eimeria tenella by DANFORTH, H. D, ALLEN, P. C, LEVANDER, O. A

“…A study of development of Eimeria tenella in chickens fed high n-3 fatty acids (n-3FA) diets showed ultrastructural degeneration of both asexual and sexual…”
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Protection against coccidiosis in outbred chickens elicited by gamma-irradiated Eimeria maxima by Jenkins, M.C, Chute, M.B, Danforth, H.D

“…In an effort to develop an attenuated coccidiosis vaccine against coccidiosis, we exposed Eimeria maxima oocysts to an optimum dose of gamma irradiation (17…”
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Evaluation of the effect of peptidyl membrane-interactive molecules on avian coccidia by MARTIN, A, DANFORTH, H. D, JAYNES, J. M, THORNTON, J. E

“…This study examined the lytic effect of seven different synthetic peptidyl membrane-interactive molecules (Peptidyl-MIMs) on sporozoites of five different…”
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Evolutionary relationships of avian Eimeria species among other apicomplexan protozoa : monophyly of the apicomplexa is supported by BARTA, J. R, JENKINS, M. C, DANFORTH, H. D

“…Direct, reverse transcriptase-mediated, partial sequencing of the small-subunit (16S-like) ribosomal RNA (srRNA) of Eimeria tenella and E. acervulina was…”
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