Control of coccidiosis in chickens by vaccination

Vermeulen, A.N.; Schaap, Dick; Schetters, Theo

doi:10.1016/s0304-4017(01)00479-4

Cited by 157 publications

(97 citation statements)

References 21 publications

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“…Uses of therapeutics or feed additives that interfere with development of the oocysts are not permisible during the period of development of immunity. Therefore, the risk of development of clinical coccidiosis is highest at the early age (weeks 1-3) which decreases as immunity starts developing (from weeks 3-4 onwards) (Vermeulen et al 2001). A live vaccine comprising an precocious attenuated line of E. tenella and a non-attenuated line of each E. maxima and E. acervulina, namely Supercox1, has been introduced with the promise of controlling clinical coccidiosis in broilers as well as achievement of production performance superior to that of using anticoccidial drugs against which resistance might have developed (Suo et al 2006).…”

Section: Live Attenuated Strain Based Vaccinesmentioning

confidence: 99%

“…The mode of application is with drinking water for all the four live vaccines. Besides drinking water Immucox C1 can also be applied by incorporating in an oral gel (Vermeulen et al 2001). …”

Section: Immunoprophylaxismentioning

confidence: 99%

“…The specific anticoccidial viz. salinomycin limits the increase of infection pressure to the field strains during the period of development of immunity (Vermeulen et al 2001). …”

Section: Live Attenuated Strain Based Vaccinesmentioning

confidence: 99%

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Control of poultry coccidiosis: changing trends

Tewari

Maharana

2011

J Parasit Dis

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Coccidiosis is the most important protozoan disease affecting the poultry industry worldwide. Control of poultry coccidiosis is presently based on managerial skills and the use of prophylactic coccidiostatic drugs. With the emergence of drug resistant Eimeria strains, emphasis has been laid on development and use of safer vaccines; some of them have been commercialized successfully. The present review deals with the various factors responsible for the development of clinical coccidiosis in poultry as well as an overview of the currently available inducers and boosters of immunity against coccidiosis. There are three groups of vaccines currently available against coccidiosis which can be distinguished on the basis of characteristics of the Eimeria species included in the respective products, viz. vaccines based on live virulent strains, vaccines based on live attenuated strains, and vaccines based on live strains that are relatively tolerant to the ionophore compounds. The latter vaccine combines the early chemotherapeutic effect of ionophores with the late prophylactic effect of vaccination. Although in the near future more varieties of oocyst based live vaccines are expected, identification of selective coccidian-specific immunoprotective molecules is likely to get more attention to facilitate the sustainable control of poultry coccidiosis.

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Section: Live Attenuated Strain Based Vaccinesmentioning

confidence: 99%

Section: Immunoprophylaxismentioning

confidence: 99%

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Control of poultry coccidiosis: changing trends

Tewari

Maharana

2011

J Parasit Dis

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“…Vaccine efficacy is variable and may in some circumstances be restricted, which led to the development of novel protocols that would improve vaccination effectiveness (Allen et al, 2004). Indeed, improving the immunological functions through better hygiene practices and feed additives usage could undoubtedly be a valuable complementary approach (Vermeulen et al, 2001). Several alternative strategies have proven their effectiveness in coccidiosis control with potential stimulatory effects on performances and immunity.…”

Section: Introductionmentioning

confidence: 99%

Effect of Using an Anticoccidial and a Prebiotic on Production Performances, Immunity Status and Coccidiosis in Broiler Chickens

Barberis¹,

Alloui²,

Bennoune³

et al. 2015

Asian J. of Poultry Science

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The present work was conducted to evaluate the effect of prophylactic treatments using an ionophore anticoccidial (lasalocid sodium, 100 ppm) and a prebiotic (beta-glucans and oligosaccharides, 0.5 ppm) on coccidiosis and immune reactions against it in experimentally infected broiler chickens. A total of 120 chicks were equally divided into four groups. The first group (A) served as control and received the basal diet with no additives, while the other groups (B, C and D) served as tests and their birds were given the basal diet supplemented respectively with an anticoccidial (Avatec ® ), a prebiotic (Alphamune ® ) or a combination of them. Coccidiosis was induced in broiler chickens using a mixture of E. acervulina and E. maxima at the 14th day of age. By the end of the experimentation, better health condition and production performances were recorded in birds of the last group (D), in which a decrease in coccidia replication and lesional scores were found in association with low oocysts shedding kinetics and a stimulated immune system (increased lymphoid organs weights, indices and a bigger number of lymphocytes). Our findings confirm the effectiveness of the prebiotic-anticoccidial combination in the control of coccidia infections in broiler chickens.

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“…For example, in 1995, coccidiosis cost UK chicken industry approximately 40 million pounds with annual poultry production of 625 million broilers [34]. At least seven species of Eimeria have been recognized to infect chickens [11], they parasitize specific areas within the digestive tract and they have different degrees of pathogenicity and immunogenicity.…”

mentioning

confidence: 99%

Characterization of Stage-Specific and Cross-Reactive Antigens from Eimeria acervulina by Chicken Monoclonal Antibodies

Constantinoiu

Lillehoj

Matsubayashi

et al. 2004

The Journal of Veterinary Medical Science

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ABSTRACT. The characterization of five chicken monoclonal antibodies (mAbs) that were developed against apical complex antigens of Eimeria acervulina sporozoites is realized and the mAbs reactivity to merozoites belonging to this species is tested. Using immunofluorescence assay (IFA), one mAb (HE-4) that recognized apical antigens common to sporozoites of E. acervulina and E. brunetti bound antigens localized on the apical tip of merozoites from all stages of development examined. The mAb 8E-1, reactive with antigens found on the apical tip of all chicken Eimeria sporozoites, also showed binding to antigens common to merozoites from all generations. Another mAb, 8C-3, which identified an antigen shared by sporozoites apical tip and sporocysts wall of E. acervulina reacted very weak and inconstantly with the merozoites from all generations whereas the mAbs 5D-11 and 8D-2 that recognized antigens shared by the sporozoites of E. acervulina and E. maxima (mAb 5D-11) and E. acervulina and E. brunetti (mAb 8D-2) did not react with the merozoites from any generation. Collectively, these results showed that the invasive stages of chicken Eimeria share cross reactive apical complex antigens which are inter-species and inter-generation-specific that might be components of a potential recombinant vaccine. KEY WORDS: apical complex, Eimeria, immunofluorescence, merozoite, monoclonal antibody.

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Control of coccidiosis in chickens by vaccination

Cited by 157 publications

References 21 publications

Control of poultry coccidiosis: changing trends

Control of poultry coccidiosis: changing trends

Effect of Using an Anticoccidial and a Prebiotic on Production Performances, Immunity Status and Coccidiosis in Broiler Chickens

Characterization of Stage-Specific and Cross-Reactive Antigens from Eimeria acervulina by Chicken Monoclonal Antibodies

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