Global ETD Search
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Showing 1 to 16 of 16 for “"Eimeria acervulina"”.
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Eimeria acervulina infection and amino acid nutrition in broiler chickens
… by intestinal protozoan parasites of genus Eimeria, continues to be one of the most widespread and economically important diseases in commercial poultry production. A series of four experiments were conducted to evaluate the interrelationships of Eimeria acervulina infection and amino acid …
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Trace Element Nutriture of the Chick as Affected by Eimeria Acervulina Infection
… 2 x 10('5), 4 x 10('5) or 8 x 10('5) sporulated Eimeria acervulina oocysts on days 0, 3, 6, 9 and 12 of the 13- or 14-day assay periods.
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Trace Element Interrelationships and Zinc Status of the Chicken as Affected by Eimeria Acervulina Infection
… interactions in young chicks infected with Eimeria acervulina (duodenal coccidiosis). The mineral interactions explored were lead-zinc, lead-copper, calcium-zinc-phytate, cadmium-zinc and iron-zinc. Experimental coccidial infections were produced by crop inoculation of 4 x 10('5) sporulated …
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Effects of Marek's Disease Herpesvirus and Turkey Herpesvirus Upon Immunity to Eimeria Acervulina in Young Chickens
… inhibit immunity of chicks to three species of Eimeria. Herpesvirus from turkeys (HVT) is used commercially as a vaccine against MD. This investigation studied the response to primary and secondary exposures to E. acervulina oocysts in young chicks infected with either MDHV or HVT. Procedure. …
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Intestinal Mucosal Mast Cell Immune Response and Pathogenesis of Two Eimeria Acervulina Isolates in Broiler Chickens
… intestinal immune responses to two isolates of Eimeria acervulina (EA), EA1 and EA2. In three experiments, broiler chicks were divided into control (non-challenged), EA1, or EA2 challenged (14 days of age) groups. On day 6 post-challenge (PC), changes in body weight were determined, intestinal …
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Coccidiosis and Anticoccidials - Their Relationship to Nutriture of the Chicken
… sulfur amino acid (SAA) requirements during Eimeria acervulina infection, (3) evaluating the interaction between E. acervulina and certain amino acids, and (4) evaluating the interaction between dietary protein source and anticoccidial drugs.
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Dietary Methionine and Lysine Utilization by Chicks as Influenced by Coccidial Infection and Drug Therapy
… via crop intubation of sporulated oocysts of Eimeria acervulina or Eimeria tenella.
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Expression of Digestive Enzymes and Nutrient Transporters in the Intestine of Eimeria-challenged Chickens
… coccidiosis is caused by the intestinal protozoa Eimeria. The parasite"s site of infection in the intestine is site specific. Eimeria acervulina infects the duodenum, E. maxima the jejunum, and E. tenella the ceca. Lesions in the intestinal mucosa cause reduced feed efficiency and body weight gain …
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The Effects of Probiotics on Performance and Immune Response of Broiler Chickens during Coccidiosis
… on bird performance and resistance to a mixed Eimeria infection in commercial broilers. On day of hatch, 1008 commercial male broilers (Cobb 500) were assigned to one of 6 treatments (8 replicate floor pens; 21 birds/pen), including non-infected negative control (NEG), Eimeria-infected positive …
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Cellular Events During Coccidial Infection in Chickens
… coccidiosis is caused by the intestinal protozoa Eimeria. The parasite's site of infection in the intestine is site specific. Eimeria acervulina mainly affects the duodenum, E. maxima the jejunum, and E. tenella the ceca. Lesions in the intestinal mucosa cause reduced feed efficiency and body …
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Interactions Between Nutrition and Health or Stress in Poultry
… results indicated that coccidiosis infection (Eimeria acervulina) reduced MEn and amino acid digestibility in chicks and that the coccidiosis effect was influenced by diet composition, type of infection (acute v. chronic) and timing of excreta collection after infection. Four experiments were …
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In ovo supplementation of Primalac and the effects on performance and immune response of broilers
… and lesion scores in broiler chicks exposed to Eimeria sp. At embryonic day 18, 210 eggs were injected with either sterile water or 1x106 probiotic bacteria. On d3 post-hatch, half of the chicks from each treatment group were challenged with a mixed inoculum of Eimeria acervulina, E. maxima, and …
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Nutritional and immunological outcomes as affected by a novel carbohydrate complex composed of galactoglucomannan oligosaccharides and arabinoxylan
… avian model challenged with an acute coccidial (Eimeria acervulina; EA) or Salmonella typhimurium (ST) infection. Results indicated that GGMOs have a degree of polymerization (DP) from 4 to 13, with the major component being DP 5-8. The structure of these oligosaccharides is a β-1,4-linked …
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Effects of distillers dried grains with solubles and dietary fiber on the intestinal health of young pigs and chicks
… post-inoculation (PI) d 0. In chicks, a dose of Eimeria acervulina (EA) was selected to reduce growth by about 20%. The inoculation consisted of a single dose of either distilled water (Sham) or 10e6 sporulated EA oocysts. Inoculation occurred on d 10 of age. Variables of response included signs …
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Outlining a balance-point model of homeostasis in the small intestine of broiler chickens
… gene expression following a single challenge of Eimeria acervulina in broiler chickens. During Eimeria infection gene expression of multiple host defense peptide genes were decreased compared to uninfected chickens. Further, Eimeria infected chickens increased cell proliferation within the crypt …
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The effects of potential dietary prebiotics and grain particle size on the growth performance and intestinal microflora of young poultry
… ability to ameliorate the negative effects of an Eimeria acervulina coccidiosis infection on the above response variables. In the first study, large particle corn, whole sorghum, and Grobiotic (GB) were evaluated in a corn-soybean meal diet with or without the addition of distillers dried grains …