Search Results - "Barta, J.R"

Monitoring coccidia in commercial broiler chicken flocks in Ontario: comparing oocyst cycling patterns in flocks using anticoccidial medications or live vaccination by Snyder, R.P., Guerin, M.T., Hargis, B.M., Page, G., Barta, J.R.

“…Coccidiosis, the parasitic disease caused by Eimeria spp., is controlled during broiler chicken production through the inclusion of in-feed anticoccidial…”
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Research Note: Evaluating fecal shedding of oocysts in relation to body weight gain and lesion scores during Eimeria infection by Chasser, K.M., Duff, A.F., Wilson, K.M., Briggs, W.N., Latorre, J.D., Barta, J.R., Bielke, L.R.

“…Coccidiosis has been a pervasive disease within the poultry industry, with test parameters used to measure effectiveness of treatment strategies often being…”
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Restoration of anticoccidial sensitivity to a commercial broiler chicken facility in Canada by Snyder, R.P., Guerin, M.T., Hargis, B.M., Kruth, P.S., Page, G., Rejman, E., Rotolo, J.L., Sears, W., Zeldenrust, E.G., Whale, J., Barta, J.R.

“…Increasing resistance of Eimeria species to anticoccidial medications is an issue in the broiler chicken industry. Using drug-sensitive strains in…”
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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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Responses of broiler chickens to Eimeria challenge when fed a nucleotide-rich yeast extract by Leung, H, Yitbarek, A, Snyder, R, Patterson, R, Barta, J R, Karrow, N, Kiarie, E

“…Nucleotide-rich yeast extract (YN) was investigated for effects on growth performance, jejunal physiology, and cecal microbial activity in Eimeria-challenged…”
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Bayesian phylogenetic analysis of avipoxviruses from North American wild birds demonstrates new insights into host specificity and interspecies transmission by MacDonald, A.M, Gibson, D.J, Barta, J.R

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Growth performance and gastrointestinal responses of broiler chickens fed corn-soybean meal diet without or with exogenous epidermal growth factor upon challenge with Eimeria by Kim, E, Leung, H, Akhtar, N, Li, J, Barta, J R, Wang, Y, Yang, C, Kiarie, E

“…Epidermal growth factor (EGF), a protein known for its mitogenic and anti-apoptotic effects was fed to broiler chickens to evaluate growth performance,…”
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Nucleotide-rich yeast extract fed to broiler chickens challenged with Eimeria: impact on growth performance, jejunal histomorphology, immune system, and apparent retention of dietary components and caloric efficiency by Leung, H, Patterson, R, Barta, J.R., Karrow, N, Kiarie, E

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Nucleotide-rich yeast extract fed to broiler chickens challenged with Eimeria: impact on growth performance, jejunal histomorphology, immune system, and apparent retention of dietary components and caloric efficiency1 by Leung, H, Patterson, R, Barta, J.R., Karrow, N, Kiarie, E

“…Nucleotide-rich yeast extract (YN) was investigated for its effects on growth performance, jejunal histomorphology and mucosal immunoglobulin A (IgA), immune…”
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The epizootiology of Eimeria infections in commercial broiler chickens where anticoccidial drug programs were employed in six successive flocks to control coccidiosis by Chapman, H. D., Barta, J. R., Hafeez, M. A., Matsler, P., Rathinam, T., Raccoursier, M.

“…The course of natural Eimeria infections in 6 successive broiler flocks at a commercial farm comprising 4 houses, where different anticoccidial drug programs…”
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Exploiting digital droplet PCR and Next Generation Sequencing technologies to determine the relative abundance of individual Eimeria species in a DNA sample by Snyder, R.P., Guerin, M.T., Hargis, B.M., Imai, R., Kruth, P.S., Page, G., Rejman, E., Barta, J.R.

“…DNA-based diagnostic assays for detecting infections with Eimeria species have been limited to providing identification and presence/absence data for samples…”
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Success and failure: The role of relative humidity levels and environmental management in liveEimeria vaccination of cage-reared replacement layer pullets by Price, K.R., Guerin, M.T., Barta, J.R.

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Comparison of multiple methods for induction of necrotic enteritis in broilers. I by Wilson, K.M., Chasser, K.M., Duff, A.F., Briggs, W.N., Latorre, J.D., Barta, J.R., Bielke, L.R.

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Evaluation of autofluorescent Eimeria maxima oocysts as a potential indicator of non-viability when enumerating oocysts by Beer, L C, Bielke, L R, Barta, J R, Faulkner, O B, Latorre, J D, Briggs, W N, Wilson, K M, Baxter, M F A, Tellez, G, Hargis, B M

“…Abstract Aging, poor oxygenation, or improper storage temperature can lead to variable Eimeria oocyst viability, which is not readily assessed microscopically…”
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Complete genomic sequence of turkey coronavirus by Hemida, M.G., Barta, J.R., Ojkic, D., Yoo, D.

“…Turkey coronavirus (TCoV), one of the least characterized of all known coronaviruses, was isolated from an outbreak of acute enteritis in young turkeys in…”
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Sequence-based genotyping clarifies conflicting historical morphometric and biological data for 5 Eimeria species infecting turkeys by El-Sherry, S., Ogedengbe, M. E., Hafeez, M. A., Sayf-Al-Din, M., Gad, N., Barta, J. R.

“…Unlike with Eimeria species infecting chickens, specific identification and nomenclature of Eimeria species infecting turkeys is complicated, and in the…”
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Sequencing the complete mitochondrial genome of Eimeria mitis strain USDA 50 (Apicomplexa: Eimeriidae) suggests conserved start positions for mtCOI- and mtCOIII-coding regions by Ogedengbe, M. E, Hafeez, M. A, Barta, J. R

“…Four complete mitochondrial (mt) sequences from a single-oocyst-derived line of Eimeria mitis USDA 50 were obtained (three from cloned whole-genome PCR…”
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Biological re-description of a genetically typed, single oocyst line of the turkey coccidium, Eimeria meleagrimitis Tyzzer 1929 by El-Sherry, S, Rathinam, T, Hafeez, M. A, Ogedengbe, M. E, Chapman, H. D, Barta, J. R

“…For the purpose of re-describing the Eimeria species that infect the turkey (Meleagris gallopavo) and to establish benchmark biological information linked to…”
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Re-description of a genetically typed, single oocyst line of the turkey coccidium, Eimeria adenoeides Moore and Brown, 1951 by El-Sherry, S, Ogedengbe, M. E, Hafeez, M. A, Sayf-Al-Din, M, Gad, N, Barta, J. R

“…The Guelph strain of Eimeria adenoeides was obtained from a commercial turkey flock in Ontario, Canada, in 1985. Single oocyst derived lines of E. adenoeides…”
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Cystoisospora felis infection in a captive jaguar cub (Panthera onca) in Michoacán, México by Guzmán-Lara, M.D., Kruth, P.S., Rangel-Díaz, J., Juárez-Estrada, M.A., Soriano-Vargas, E., Barta, J.R.

“…Cystoisospora felis (Wenyon 1923) was identified in a 3-month-old, captive jaguar (Panthera onca) presenting with signs of gastrointestinal distress. The cub…”
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