Comparison of breeder/layer coccidiosis vaccines: Part 1 -precocity and pathogenicity Article Swipe
Greg F. Mathis
,
Linnea J. Newman
,
Steve Fitz-Coy
,
Brett Lumpkins
,
Robert Charette
,
Lorraine Fuller
·
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.3382/japr/pfx037
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.3382/japr/pfx037
Coccidiosis control for breeding and laying chickens requires the development of immunity against multiple Eimeria species. Vaccines approved for use in Europe are precocious (attenuated) strains. Only one precocious vaccine (Paracox® 8) was widely available to breeder and layer producers in the European Union (EU) from 1991 until 2015, with registration in all EU member states except Luxembourg. Recently, 2 new products have been introduced to the market: Hipra Evalon® and a 2 part product originally designated as Huveguard® Start (now designated Mmat) and Huveguard® Plus (now designated NB). Nonattenuated (nonprecocious) vaccines, by contrast, are used in other parts of the world, but are not available in the EU. Three precocious vaccines (Paracox® 8, Evalon® and the combined Huveguard vaccines) were compared to each other and to a nonattenuated vaccine from North America (Coccivac® D2) with respect to precocity and pathogenicity. All 3 precocious vaccines demonstrated significantly reduced oocyst output compared to the nonattenuated breeder/layer coccidiosis vaccine. One vaccine (Paracox® 8) demonstrated oocyst output for all species at 96 h (more precocious), while the other 2 vaccines did not have output until 24 or even 48 h later for individual species (less precocious). When tested at 40X the manufacturer's recommended dose (attempting to simulate the field effect of uneven application), all 3 precocious vaccines demonstrated lower lesion scores and better weight gain over the 7 d post challenge compared to the nonattenuated vaccine.
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Metadata
- Type
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- Language
- en
- Landing Page
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- OA Status
- hybrid
- Cited By
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All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W2759529878Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3382/japr/pfx037Digital Object Identifier
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Comparison of breeder/layer coccidiosis vaccines: Part 1 -precocity and pathogenicityWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
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2017Year of publication
- Publication date
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2017-09-22Full publication date if available
- Authors
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Greg F. Mathis, Linnea J. Newman, Steve Fitz-Coy, Brett Lumpkins, Robert Charette, Lorraine FullerList of authors in order
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https://doi.org/10.3382/japr/pfx037Publisher landing page
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YesWhether a free full text is available
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hybridOpen access status per OpenAlex
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https://doi.org/10.3382/japr/pfx037Direct OA link when available
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Coccidiosis, Pathogenicity, Breeder (animal), Biology, Virology, Veterinary medicine, Medicine, Microbiology, Geography, Blanket, ArchaeologyTop concepts (fields/topics) attached by OpenAlex
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15Total citation count in OpenAlex
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2025: 2, 2024: 1, 2023: 1, 2022: 4, 2021: 4Per-year citation counts (last 5 years)
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21Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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