Results 181 to 190 of about 19,049 (226)

Studies on Eimeria mivati in chickens and a comparison with Eimeria acervulina

Journal of Comparative Pathology, 1967
Abstract Eimeria mivati was isolated from fowls in Britain. Heavy experimental infections caused some morbidity and had a marked effect on gain in body weight. Evidence is presented which suggests that the breed or strain of the host influences the degree of pathogenicity.
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Detection and assessment of sublethal infections of Eimeria tenella and Eimeria necatrix

Experimental Parasitology, 1960
Abstract 1. 1. The estimation of the packed red-cell volume by the micro-hematocrit technique proved to be a convenient method of measuring anemia in chickens infected with E. tenella or E. necatrix . 2. 2. Hematocrit measurements were more sensitive to the effects of infection with E. tenella than observations on the growth rate. 3.
L P, JOYNER, S F, DAVIES
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Eimeria sceloporis and Eimeria molochis spp. n. from Lizards

The Journal of Parasitology, 1965
Two new species of coccidia are described: Eimeria sceloporis sp. n. in the small intestine of lizards (Sceloporus spp.) from southern California and Mexico; and Eimeria molochis sp. n. in the Australian "horned toad," Moloch horridus, from the Queensland desert, probably also an intestinal parasite. The oocyst of E.
E C, BOVEE, S R, TELFORD
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Co-infection of chickens with Eimeria praecox and Eimeria maxima does not prevent development of immunity to Eimeria maxima

Veterinary Parasitology, 2009
Previous studies revealed an ameliorating effect of Eimeria praecox on concurrent E. maxima infection, such that weight gain, feed conversion ratio, and intestinal lesions were nearly identical to uninfected or E. praecox-infected controls. The purpose of the present study was to determine if protective immunity against E.
M, Jenkins, R, Fetterer, K, Miska
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Induction of protective immunity against Eimeria tenella, Eimeria necatrix, Eimeria maxima and Eimeria acervulina infections using multivalent epitope DNA vaccines

Vaccine, 2015
Avian coccidiosis is mostly caused by mixed infection of several Eimeria species under natural conditions and immunity to avian coccidiosis is largely dependent on T-cell immune response. In this study, 14 T-cell epitope fragments from eight antigens of Eimeria tenella (E. tenella), Eimeria necatrix (E. necatrix), Eimeria maxima (E. maxima) and Eimeria
Xiaokai, Song, Zhe, Ren, Ruofeng, Yan, Lixin, Xu, Xiangrui, Li   +4 more
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Differing Susceptibilities ofEimeria acervulina,Eimeria maxima, andEimeria tenellaOocysts to Desiccation

Journal of Parasitology, 2013
Outbreaks of avian coccidiosis may occur when susceptible chickens are raised on litter containing viable Eimeria oocysts. The purpose of this study was to compare the relative sensitivities of Eimeria acervulina, Eimeria maxima, and Eimeria tenella oocysts to dessication. Sporulated E. acervulina, E. maxima, or E.
Mark C, Jenkins, Carolyn, Parker, Celia, O'Brien, Katarzyna, Miska, Raymond, Fetterer   +4 more
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Eimeria tenella y otras Eimerias aviares

2023
Facultad de Ciencias ...
Corbalán, Valeria Vanesa, Radman, Nilda Ester, Gamboa, María Inés, Mastrantonio Pedrina, Franca Lucrecia   +3 more
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Effect of aging on survival and pathogenicity of Eimeria acervulina and Eimeria acervulina and Eimeria tenella.

Avian diseases, 1982
After 6 to 8 months of storage, cultures of sporulated Eimeria acervulina and E. tenella oocysts ahd a marked drop in the number of sporocysts that survived grinding, sporozoites that survived after excystation, and sporozoites that penetrated chick kidney cells in vitro. The rate of excystation was unaffected by storage of up to one year.
M D, Ruff, D J, Doran, G C, Wilkins
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Studies of resistance to anticoccidials in Eimeria field isolates and pure Eimeria strains

Veterinary Parasitology, 1997
Ten Eimeria field isolates from North Germany were studied in battery tests for sensitivity to selected anticoccidials. A high percentage of the Eimeria field isolates (9 out of 10) showed resistance to anticoccidials, mostly multiple resistance.
B, Stephen, M, Rommel, A, Daugschies, A, Haberkorn   +3 more
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Attenuation of Eimeria species: further characterisation of two lines of Eimeria mitis

Research in Veterinary Science, 1985
The immunogenicity of a 'precocious' and attenuated line (HP10) of Eimeria mitis was studied and the stability of attenuation of two precocious lines was compared with that of an embryo-adapted line. Chicks housed in wire-floored cages and given 1 X 10(5) oocysts of the HP10 line were protected against challenge with the parent Houghton strain and two ...
V, McDonald, M W, Shirley, H D, Chapman
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