Arid
DOI10.1890/09-1414.1
Social behavior drives the dynamics of respiratory disease in threatened tortoises
Wendland, Lori D.1; Wooding, John; White, C. LeAnn1; Demcovitz, Dina1; Littell, Ramon2; Berish, Joan Diemer3; Ozgul, Arpat4; Oli, Madan K.4; Klein, Paul A.5; Christman, Mary C.2; Brown, Mary B.1
通讯作者Wendland, Lori D.
来源期刊ECOLOGY
ISSN0012-9658
出版年2010
卷号91期号:5页码:1257-1262
英文摘要

Since the early 1990s, morbidity and mortality in tortoise populations have been associated with a transmissible, mycoplasmal upper respiratory tract disease (URTD). Although the etiology, transmission, and diagnosis of URTD have been extensively studied, little is known about the dynamics of disease transmission in free-ranging tortoise populations. To understand the transmission dynamics of Mycoplasma agassizii, the primary etiological agent of URTD in wild tortoise populations, we studied 11 populations of free-ranging gopher tortoises (Gopherus polyphemus; n = 1667 individuals) over five years and determined their exposure to the pathogen by serology, by clinical signs, and by detection of the pathogen in nasal lavages. Adults tortoises (n = 759) were 11 times more likely to be seropositive than immature animals (n=242) (odds ratio = 10.6, 95% CI = 5.7-20, P < 0.0001). Nasal discharge was observed in only 1.4% (4/296) of immature tortoises as compared with 8.6% (120/1399) of adult tortoises. Nasal lavages from all juvenile tortoises (n=283) were negative by PCR for mycoplasmal pathogens associated with URTD. We tested for spatial segregation among tortoise burrows by size class and found no consistent evidence of clustering of either juveniles or adults. We suggest that the social behavior of tortoises plays a critical role in the spread of URTD in wild populations, with immature tortoises having minimal interactions with adult tortoises, thereby limiting their exposure to the pathogen. These findings may have broader implications for modeling horizontally transmitted diseases in other species with limited parental care and emphasize the importance of incorporating animal behavior parameters into disease transmission studies to better characterize the host-pathogen dynamics.


英文关键词disease transmission Gopherus agassizii Mycoplasma agassizii reptile behavior URTD
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000277867600002
WOS关键词EMERGING INFECTIOUS-DISEASES ; MYCOPLASMA-AGASSIZII ; GOPHER TORTOISE ; TRACT DISEASE ; DESERT TORTOISE ; TRANSMISSION ; SEASONALITY ; POLYPHEMUS ; WILDLIFE
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/163925
作者单位1.Univ Florida, Coll Vet Med, Dept Infect Dis & Pathol, Gainesville, FL 32611 USA;
2.Univ Florida, Dept Stat, Inst Food & Agr Sci, Gainesville, FL 32611 USA;
3.Florida Fish & Wildlife Conservat Commiss, Gainesville, FL 32663 USA;
4.Univ Florida, Dept Wildlife Ecol & Conservat, Gainesville, FL 32611 USA;
5.Univ Florida, Dept Pathol Immunol & Lab Med, Coll Med, Gainesville, FL 32611 USA
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GB/T 7714
Wendland, Lori D.,Wooding, John,White, C. LeAnn,et al. Social behavior drives the dynamics of respiratory disease in threatened tortoises[J],2010,91(5):1257-1262.
APA Wendland, Lori D..,Wooding, John.,White, C. LeAnn.,Demcovitz, Dina.,Littell, Ramon.,...&Brown, Mary B..(2010).Social behavior drives the dynamics of respiratory disease in threatened tortoises.ECOLOGY,91(5),1257-1262.
MLA Wendland, Lori D.,et al."Social behavior drives the dynamics of respiratory disease in threatened tortoises".ECOLOGY 91.5(2010):1257-1262.
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