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פותח על ידי קלירמאש פתרונות בע"מ -
Temporal association of ambient temperature and relative humidity with Spirocerca lupi infection of Onthophagus sellatus: A 14-year longitudinal study
Year:
2014
Source of publication :
Veterinary Parasitology
Authors :
סמיש, מיכאל
;
.
Volume :
204
Co-Authors:
Gottlieb, Y., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Klement, E., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Aroch, I., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Lavy, E., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Kaufman, M., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Samish, M., Kimron Veterinary Institute, Bet-Dagan 50250, Israel
Markovics, A., Kimron Veterinary Institute, Bet-Dagan 50250, Israel
Facilitators :
From page:
238
To page:
242
(
Total pages:
5
)
Abstract:
The parasitic nematode Spirocerca lupi causes major morbidity and mortality in dogs. The scarab beetle Onthophagus sellatus is its major intermediate host in Israel. We investigated the prevalence of beetle infection by S. lupi in different years between 1994 and 2008. The average monthly maximum and minimum relative humidity (RH) and ambient temperature (AT) throughout the study period were calculated based on daily meteorological data. The infection prevalence decreased over the study period, possibly due to a chronological change resulting from increased preventive treatment of dogs against S. lupi, or climate change. Multivariate analysis was performed for these two hypotheses. Under the first hypothesis, chronological change was forced into the model, and environmental variables were inserted stepwise. The final model included beetle-collection date, minimum RH (RHmin) during the month preceding beetle collection, its interaction with maximal AT (ATmax) during that same month, and the interaction of maximal RH (RHmax) and ATmax, during the month of beetle collection. Under the second hypothesis, chronological change was not forced. The final model included RHmax during the month of beetle collection, average RH (RHave) during the month preceding beetle collection, and its interaction with ATmax during the latter month. The results suggest that under both hypotheses, RH and AT during the month preceding beetle collection influence S. lupi's ability to develop and survive in O. sellatus, and may be used to predict the risk to dogs of S. lupi infection. © 2014 Elsevier B.V. All rights reserved.
Note:
Related Files :
Canine
Dog
Meteorological data
Onthophagus sellatus
Spirocerca lupi
עוד תגיות
תוכן קשור
More details
DOI :
10.1016/j.vetpar.2014.05.031
Article number:
0
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
31933
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:06
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Scientific Publication
Temporal association of ambient temperature and relative humidity with Spirocerca lupi infection of Onthophagus sellatus: A 14-year longitudinal study
204
Gottlieb, Y., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Klement, E., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Aroch, I., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Lavy, E., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Kaufman, M., Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
Samish, M., Kimron Veterinary Institute, Bet-Dagan 50250, Israel
Markovics, A., Kimron Veterinary Institute, Bet-Dagan 50250, Israel
Temporal association of ambient temperature and relative humidity with Spirocerca lupi infection of Onthophagus sellatus: A 14-year longitudinal study
The parasitic nematode Spirocerca lupi causes major morbidity and mortality in dogs. The scarab beetle Onthophagus sellatus is its major intermediate host in Israel. We investigated the prevalence of beetle infection by S. lupi in different years between 1994 and 2008. The average monthly maximum and minimum relative humidity (RH) and ambient temperature (AT) throughout the study period were calculated based on daily meteorological data. The infection prevalence decreased over the study period, possibly due to a chronological change resulting from increased preventive treatment of dogs against S. lupi, or climate change. Multivariate analysis was performed for these two hypotheses. Under the first hypothesis, chronological change was forced into the model, and environmental variables were inserted stepwise. The final model included beetle-collection date, minimum RH (RHmin) during the month preceding beetle collection, its interaction with maximal AT (ATmax) during that same month, and the interaction of maximal RH (RHmax) and ATmax, during the month of beetle collection. Under the second hypothesis, chronological change was not forced. The final model included RHmax during the month of beetle collection, average RH (RHave) during the month preceding beetle collection, and its interaction with ATmax during the latter month. The results suggest that under both hypotheses, RH and AT during the month preceding beetle collection influence S. lupi's ability to develop and survive in O. sellatus, and may be used to predict the risk to dogs of S. lupi infection. © 2014 Elsevier B.V. All rights reserved.
Scientific Publication
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