Evidence of an oxyspirura petrowi epizootic in northern Bobwhites (Colinus Virginianus), Texas, USA

Nicholas R. Dunham; Liza A. Soliz; Alan M. Fedynich; Dale Rollins; Ronald J. Kendall

doi:10.7589/2013-10-275

Evidence of an oxyspirura petrowi epizootic in northern Bobwhites (Colinus Virginianus), Texas, USA

Nicholas R. Dunham, Liza A. Soliz, Alan M. Fedynich, Dale Rollins, Ronald J. Kendall

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We captured 36 Northern Bobwhites (Colinus virginianus) in Mitchell County, Texas in June-September 2013, and examined them for the eyeworm Oxyspirura petrowi. We recovered 334 eyeworms from 28 of 29 adult bobwhites (97%); infections ranged from 1-40 worms and mean (±SD) abundance of 11.9±13.0. Three of seven juveniles were infected, and those infected had one eyeworm each. Prevalence of eyeworms was similar among months. However, mean abundance of eyeworms peaked in July and August (3.3±2.1, 13.5±15.0, and 16.9±15.5), and decreased in September (6.3±3.0). We suggest that several previous studies may underreport prevalence and abundance because in those studies only the eye surface and nictitating membrane were examined, and not eye-associated tissue, ducts, glands, or sinuses.

Original language	English
Pages (from-to)	552-558
Number of pages	7
Journal	Journal of wildlife diseases
Volume	50
Issue number	3
DOIs	https://doi.org/10.7589/2013-10-275
State	Published - Jul 2014

Keywords

Colinus virginianus
Eyeworm
Northern bobwhite
Oxyspirura petrowi
Rolling plains ecoregion
Texas

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title = "Evidence of an oxyspirura petrowi epizootic in northern Bobwhites (Colinus Virginianus), Texas, USA",

abstract = "We captured 36 Northern Bobwhites (Colinus virginianus) in Mitchell County, Texas in June-September 2013, and examined them for the eyeworm Oxyspirura petrowi. We recovered 334 eyeworms from 28 of 29 adult bobwhites (97%); infections ranged from 1-40 worms and mean (±SD) abundance of 11.9±13.0. Three of seven juveniles were infected, and those infected had one eyeworm each. Prevalence of eyeworms was similar among months. However, mean abundance of eyeworms peaked in July and August (3.3±2.1, 13.5±15.0, and 16.9±15.5), and decreased in September (6.3±3.0). We suggest that several previous studies may underreport prevalence and abundance because in those studies only the eye surface and nictitating membrane were examined, and not eye-associated tissue, ducts, glands, or sinuses.",

keywords = "Colinus virginianus, Eyeworm, Northern bobwhite, Oxyspirura petrowi, Rolling plains ecoregion, Texas",

author = "Dunham, {Nicholas R.} and Soliz, {Liza A.} and Fedynich, {Alan M.} and Dale Rollins and Kendall, {Ronald J.}",

year = "2014",

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doi = "10.7589/2013-10-275",

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AU - Dunham, Nicholas R.

AU - Soliz, Liza A.

AU - Fedynich, Alan M.

AU - Rollins, Dale

AU - Kendall, Ronald J.

PY - 2014/7

Y1 - 2014/7

N2 - We captured 36 Northern Bobwhites (Colinus virginianus) in Mitchell County, Texas in June-September 2013, and examined them for the eyeworm Oxyspirura petrowi. We recovered 334 eyeworms from 28 of 29 adult bobwhites (97%); infections ranged from 1-40 worms and mean (±SD) abundance of 11.9±13.0. Three of seven juveniles were infected, and those infected had one eyeworm each. Prevalence of eyeworms was similar among months. However, mean abundance of eyeworms peaked in July and August (3.3±2.1, 13.5±15.0, and 16.9±15.5), and decreased in September (6.3±3.0). We suggest that several previous studies may underreport prevalence and abundance because in those studies only the eye surface and nictitating membrane were examined, and not eye-associated tissue, ducts, glands, or sinuses.

AB - We captured 36 Northern Bobwhites (Colinus virginianus) in Mitchell County, Texas in June-September 2013, and examined them for the eyeworm Oxyspirura petrowi. We recovered 334 eyeworms from 28 of 29 adult bobwhites (97%); infections ranged from 1-40 worms and mean (±SD) abundance of 11.9±13.0. Three of seven juveniles were infected, and those infected had one eyeworm each. Prevalence of eyeworms was similar among months. However, mean abundance of eyeworms peaked in July and August (3.3±2.1, 13.5±15.0, and 16.9±15.5), and decreased in September (6.3±3.0). We suggest that several previous studies may underreport prevalence and abundance because in those studies only the eye surface and nictitating membrane were examined, and not eye-associated tissue, ducts, glands, or sinuses.

KW - Colinus virginianus

KW - Eyeworm

KW - Northern bobwhite

KW - Oxyspirura petrowi

KW - Rolling plains ecoregion

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Evidence of an oxyspirura petrowi epizootic in northern Bobwhites (Colinus Virginianus), Texas, USA

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