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YEAR-LONG PRESENCE OF EIMERIA ECHIDNAE AND ABSENCE OF EIMERIA TACHYGLOSSI IN CAPTIVE SHORT-BEAKED ECHIDNAS (TACHYGLOSSUS ACULEATUS).
MedLine Citation:
PMID:  22236183     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract The short-beaked echidna (Tachyglossus aculeatus) is 1 of 5 extant species of monotreme, found only in Australia and Papua New Guinea. The aim of this study was to identify the species of coccidia present and establish a range of subclinical Eimeria spp. (Coccidia; Apicomplexa) oocyst shedding in echidnas from eastern Australia over 18 mo. The coccidia were detected in 89% (49/55) of faecal samples from 12 long-term monitored and healthy captive echidnas, 75% (3/4) of 4 healthy long-term captive echidnas, 83% (5/6) of 6 short-term captive echidnas, and 60% (6/10) of 10 wild echidnas. Echidnas captive for 4 to 23 yr shed 100 - 46,000 oocysts.g-1 of E. echidnae and remained clinically healthy during this study. Sub-adult and adult wild, and short-term captive, echidnas shed oocysts of both E. echidnae and E. tachyglossi. The lack of coccidia in juvenile short-beaked echidnas suggests these animals are likely non-immune and should not be placed in environments heavily contaminated with oocysts. In addition, no oocysts were found in captive long-beaked echidnas (Zaglossus bartoni bartoni, n = 2) housed at Taronga Zoo. This study represents an important step in understanding the host-parasite interaction between coccidia and short-beaked echidnas.
Authors:
John J Debenham; Robert Johnson; Larry Vogelnest; David N Phalen; Richard Whittington; Jan Slapeta
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-11
Journal Detail:
Title:  The Journal of parasitology     Volume:  -     ISSN:  1937-2345     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803124     Medline TA:  J Parasitol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Faculty of Veterinary Science, Faculty of Veterinary Science.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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