The long view: a selective review of 40 years of coccidiosis research

Shirley, M. W.; Lillehoj, Hyun S.

doi:10.1080/03079457.2012.666338

Cited by 81 publications

(56 citation statements)

References 56 publications

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“…The development of alternatives to antibiotics is becoming the mainstream topic for animal science research involved in developing sustainable animal production systems. Similarly, increasing regulations and bans on the use of anticoccidial drugs coupled with financial challenges in developing new drugs and live vaccines increase the need for antibiotic alternative strategies for coccidiosis control Shirley and Lillehoj, 2012).…”

Section: Introductionmentioning

confidence: 99%

Immune modulation by Bacillus subtilis-based direct-fed microbials in commercial broiler chickens

Lee

Kim

Lillehoj

et al. 2015

Animal Feed Science and Technology

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Section: Introductionmentioning

confidence: 99%

Immune modulation by Bacillus subtilis-based direct-fed microbials in commercial broiler chickens

Lee

Kim

Lillehoj

et al. 2015

Animal Feed Science and Technology

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“…Avian coccidiosis is one of the most costly infectious diseases affecting the commercial poultry industry [1]. Coccidia that infect chickens include Eimeria acervulina , E. tenella , E. maxima , E. brunetti , E. necatrix , E. praecox , and E. mitis .…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Montanide™ ISA 71 VG Adjuvant during Profilin Vaccination against Experimental Coccidiosis

et al. 2013

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Chickens were immunized subcutaneously with an Eimeria recombinant profilin protein plus Montanide™ ISA 70 VG (ISA 70) or Montanide™ ISA 71 VG (ISA 71) water-in-oil adjuvants, or with profilin alone, and comparative RNA microarray hybridizations were performed to ascertain global transcriptome changes induced by profilin/ISA 70 vs. profilin alone and by profilin/ISA 71 vs. profilin alone. While immunization with profilin/ISA 70 vs. profilin alone altered the levels of more total transcripts compared with profilin/ISA 71 vs. profilin alone (509 vs. 296), the latter was associated with a greater number of unique biological functions, and a larger number of genes within these functions, compared with the former. Further, canonical pathway analysis identified 10 pathways that were associated with genes encoding the altered transcripts in animals immunized with profilin/ISA 71 vs. profilin alone, compared with only 2 pathways in profilin/ISA 70 vs. profilin alone. Therefore, ISA 71 was selected as a candidate adjuvant in conjunction with profilin vaccination for in vivo disease protection studies. Vaccination with profilin/ISA 71 was associated with greater body weight gain following E. acervulina infection, and decreased parasite fecal shedding after E. maxima infection, compared with profilin alone. Anti-profilin antibody levels were higher in sera of E. maxima- and E. tenella-infected chickens vaccinated with profilin/ISA 71 compared with profilin alone. Finally, the levels of transcripts encoding interferon-γ, interleukin (IL)-2, IL-10, and IL-17A were increased in intestinal lymphocytes from E. acervulina-, E. maxima-, and/or E. tenella-infected chickens vaccinated with profilin/ISA 71 compared with profilin alone. None of these effects were seen in chickens injected with ISA 71 alone indicating that the adjuvant was not conferring non-specific immune stimulation. These results suggest that profilin plus ISA 71 augments protective immunity against selective Eimeria species in chickens.

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“…However, birds can harbor the disease and be carriers after infection, increasing the likelihood of spreading coccidiosis (Williams 1998).There are seven valid species of chicken coccidia, E. acervulina, E. brunetti, E. maxima, E. mitis, E. necatrix, E. praecox, and E. tenella (Shirley 1986) each species developing in a particular location within the chick digestive tract. In coming 40 years, as the world becomes ever more dependent upon poultry, coccidia will still require control and researchers will need to provide the farmers with a larger armoury of control strategies (Shirley and Lillehoj 2012).…”

Section: Introductionmentioning

confidence: 99%

Seasonal impact on the prevalence of coccidian infection in broiler chicks across poultry farms in the Kashmir valley

2014

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The information on the epidemiology and control of coccidian parasites of broilers in Kashmir valley is based on the reports available from other regions of the world. With this background, the present study was conducted to investigate the seasonal prevalence of the disease in the temperate agro-climatic conditions of Kashmir valley. A standard protocol for sampling was followed according to which five birds per 10,000 is sufficient to diagnose coccidiosis. Microscopic examination (under 109 and 409 objective lens) was used to reveal the presence of coccidial oocysts. Different species of genus Eimeria were identified on the basis of their predilection site, morphology and size. Coccidiosis was most prevalent in autumn 45.12 ± 2.55 (September 47.5 %, October 42.42 % and November 45.46 %) followed by summer 30.84 ± 6.86, spring 23.81 ± 2.81 and winter 20.29 ± 6.40. In summer, prevalence of disease was low but afterwards prevalence of disease rose up from August to October. In spite of high relative humidity in winter, disease showed low prevalence rate. Over all prevalence for the whole year was 29.87 %. Among species Eimeria tenella was the most dominant parasite showing highest prevalence of 18.13 %. Variation in incidence of coccidiosis with respect to seasons showed a strong correlation and data was found to be statistically significant with P \ 0.05. The results obtained would be quite useful to devise appropriate and effective control strategies and prophylactic programs for coccidiosis in poultry unique to this climatic zone and other parts of the world with similar climatic and poultry production systems.

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The long view: a selective review of 40 years of coccidiosis research

Cited by 81 publications

References 56 publications

Immune modulation by Bacillus subtilis-based direct-fed microbials in commercial broiler chickens

Immune modulation by Bacillus subtilis-based direct-fed microbials in commercial broiler chickens

Evaluation of Montanide™ ISA 71 VG Adjuvant during Profilin Vaccination against Experimental Coccidiosis

Seasonal impact on the prevalence of coccidian infection in broiler chicks across poultry farms in the Kashmir valley

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