نتایج جستجو برای: poultry eimeria

تعداد نتایج: 20985  

2016

The aim of the present study tested the effect of tannic acid extract (TAE) alone or in combination with a direct-fed microbial, Bacillus coagulans (TAE+BC), on performance and gut health of coccidiosis vaccinated broilers. Broilers were either unchallenged or challenged with a late Eimeria infection. The study looked at performance and gut health during two time periods: vaccination only (0-49...

2015
Morakot Kaewthamasorn Nataya Charoenvisal Niwat Chansiripornchai

Avian coccidiosis is caused by intracellular protozoan parasites in the genus Eimeria. It has a significant economic impact on the poultry industry and is highly prevalent in chicken producing countries worldwide. Current control measurements including good animal husbandry, chemoprophylaxis, and vaccination cannot effectively control the disease. It is well understood that parasites repeatedly...

2011
F Arabkhazaeli S Nabian M Modirsaneii B Mansoori S Rahbari

BACKGROUND Coccidiosis of domestic fowl, caused by species of the Genus Eimeria, is responsible for important economic losses in poultry production. Because different species and/or strains can vary in pathogenicity and other biological parameters, their precise characterization is important for epizootiological studies. METHODS Fifty samples from litter, whole intestinal tract and feces were...

Journal: :Revista Brasileira De Parasitologia Veterinaria 2021

Abstract The objective of this research was to evaluate the control coccidiosis in litter commercial poultry housing Western region Paraná, Brazil, which adopts sanitary management Salmonellosis. Three treatments were selected, proposed by an integrating company region: fermentation associated with liming (FL); (L) and (F). Stool samples collected from 18 housing, a completely randomized experi...

BACKGROUND: The control of coccidiosis in poultry industryis dominated by prophylactic chemotherapy; however,drug resistance is a serious problem. Alternative control methodssuch as vaccination have been accepted as a practical method forcontrolling coccidiosis in chickens. Considering the immunologicalvariation of Eimeria strains, the efficacy of live coccidiosisvaccines may be compromised. OB...

Journal: :Research in veterinary science 2013
Kyung-Woo Lee Hyun-Soon Lillehoj Seung-Ik Jang Sung-Hyen Lee Daniel A Bautista G Donald Ritter Erik P Lillehoj Gregory R Siragusa

Coccidiosis vaccines and anticoccidial drugs are commonly used to control Eimeria infection during commercial poultry production. The present study was conducted to compare the relative effectiveness of these two disease control strategies in broiler chickens in an experimental research facility. Birds were orally vaccinated with a live, attenuated vaccine (Inovocox), or were provided with in-f...

2014

Introduction Coccidiosis is one of the most important diseases of poultry caused by protozoa, Eimeria and is generally characterized by bloody diarrhea, the primary symptom and high mortality. The bloody diarrhea is mainly due to intestinal epithelium dying off since a large number of oocysts and merozoites burst out of the cells. The disease spreads from one bird to another by contact with inf...

Journal: :Genetics and molecular research : GMR 2014
B K Song M Z Pan Y L Lau K L Wan

Commercial flocks infected by Eimeria species parasites, including Eimeria maxima, have an increased risk of developing clinical or subclinical coccidiosis; an intestinal enteritis associated with increased mortality rates in poultry. Currently, infection control is largely based on chemotherapy or live vaccines; however, drug resistance is common and vaccines are relatively expensive. The deve...

Journal: :Clinical microbiology reviews 2002
P C Allen R H Fetterer

Avian coccidiosis, an intestinal disease caused by protozoan parasites of the genus Eimeria, occurs worldwide. It is considered to be one of the most economically important diseases of domestic poultry. For many years, prophylactic use of anticoccidial feed additives has been the primary means of controlling coccidiosis in the broiler industry and has played a major role in the growth of this i...

Journal: :Veterinary immunology and immunopathology 2006
Yeong Ho Hong Hyun S Lillehoj Erik P Lillehoj Sung Hyen Lee

Coccidiosis, a major intestinal parasitic disease of poultry, induces a cell-mediated immune response against the etiologic agent of the disease, Eimeria. In the current study, the expression levels of gene transcripts encoding pro-inflammatory, Th1, and Th2 cytokines, as well as chemokines were measured in intestinal intraepithelial lymphocytes (IELs) after Eimeria maxima infection. In additio...

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