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Passalurus ambiguus: new insights into copromicroscopic diagnosis and circadian rhythm of egg excretion.
Parasitol Res. 2007 Aug; 101(3):557-61.PR

Abstract

The present paper reports a study on the in vivo diagnosis and egg excretion rhythm of the pinworm Passalurus ambiguus in domesticated rabbits. Three copromicroscopic techniques were compared: the cellophane tape test, the McMaster technique, and the FLOTAC technique. Out of the 51 New Zealand White rabbit does examined, 42 (82.3%) resulted positive when examined with the FLOTAC technique, 39 (76.5%) with the cellophane tape test, and 29 (56.9%) with the McMaster technique. The agreement between the FLOTAC technique and the cellophane tape test was almost perfect (greater than 0.8); only moderate were the agreements (0.4) between the FLOTAC and the McMaster techniques and between the McMaster technique and the cellophane tape test. The results showed that the FLOTAC technique can be used for the quali-quantitative coprological diagnosis of P. ambiguus in rabbits due to its great sensitivity, as already shown for parasites of other animal species. The circadian rhythm of egg excretion by P. ambiguus was studied utilizing 42 individually caged rabbit does; fecal samples were collected from each cage every 6 h, i.e., at 6:00-12:00 hours, 12:00-18:00 hours, 18:00-24:00 hours, and 24:00-6:00 hours, and were analyzed by the FLOTAC technique. A circadian rhythm of P. ambiguus egg excretion was found, with significant lower values at 6:00-12:00 hours. In conclusion, the present study showed that the FLOTAC technique is the best copromicroscopic method for assessing P. ambiguus prevalence and intensity in rabbits and that the afternoon and evening hours are the best times for fecal sampling to perform the pinworm diagnosis.

Authors+Show Affiliations

Dipartimento di Patologia e Sanità Animale, Facoltà di Medicina Veterinaria, Università degli Studi di Napoli Federico II-CREMOPAR Regione Campania, Via della Veterinaria, 1, 80137 Naples, Italy.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Evaluation Study
Journal Article

Language

eng

PubMed ID

17372763

Citation

Rinaldi, Laura, et al. "Passalurus Ambiguus: New Insights Into Copromicroscopic Diagnosis and Circadian Rhythm of Egg Excretion." Parasitology Research, vol. 101, no. 3, 2007, pp. 557-61.
Rinaldi L, Russo T, Schioppi M, et al. Passalurus ambiguus: new insights into copromicroscopic diagnosis and circadian rhythm of egg excretion. Parasitol Res. 2007;101(3):557-61.
Rinaldi, L., Russo, T., Schioppi, M., Pennacchio, S., & Cringoli, G. (2007). Passalurus ambiguus: new insights into copromicroscopic diagnosis and circadian rhythm of egg excretion. Parasitology Research, 101(3), 557-61.
Rinaldi L, et al. Passalurus Ambiguus: New Insights Into Copromicroscopic Diagnosis and Circadian Rhythm of Egg Excretion. Parasitol Res. 2007;101(3):557-61. PubMed PMID: 17372763.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Passalurus ambiguus: new insights into copromicroscopic diagnosis and circadian rhythm of egg excretion. AU - Rinaldi,Laura, AU - Russo,Tamara, AU - Schioppi,Mariangela, AU - Pennacchio,Saverio, AU - Cringoli,Giuseppe, Y1 - 2007/03/18/ PY - 2007/02/14/received PY - 2007/03/01/accepted PY - 2007/3/21/pubmed PY - 2007/12/6/medline PY - 2007/3/21/entrez SP - 557 EP - 61 JF - Parasitology research JO - Parasitol Res VL - 101 IS - 3 N2 - The present paper reports a study on the in vivo diagnosis and egg excretion rhythm of the pinworm Passalurus ambiguus in domesticated rabbits. Three copromicroscopic techniques were compared: the cellophane tape test, the McMaster technique, and the FLOTAC technique. Out of the 51 New Zealand White rabbit does examined, 42 (82.3%) resulted positive when examined with the FLOTAC technique, 39 (76.5%) with the cellophane tape test, and 29 (56.9%) with the McMaster technique. The agreement between the FLOTAC technique and the cellophane tape test was almost perfect (greater than 0.8); only moderate were the agreements (0.4) between the FLOTAC and the McMaster techniques and between the McMaster technique and the cellophane tape test. The results showed that the FLOTAC technique can be used for the quali-quantitative coprological diagnosis of P. ambiguus in rabbits due to its great sensitivity, as already shown for parasites of other animal species. The circadian rhythm of egg excretion by P. ambiguus was studied utilizing 42 individually caged rabbit does; fecal samples were collected from each cage every 6 h, i.e., at 6:00-12:00 hours, 12:00-18:00 hours, 18:00-24:00 hours, and 24:00-6:00 hours, and were analyzed by the FLOTAC technique. A circadian rhythm of P. ambiguus egg excretion was found, with significant lower values at 6:00-12:00 hours. In conclusion, the present study showed that the FLOTAC technique is the best copromicroscopic method for assessing P. ambiguus prevalence and intensity in rabbits and that the afternoon and evening hours are the best times for fecal sampling to perform the pinworm diagnosis. SN - 0932-0113 UR - https://www.unboundmedicine.com/medline/citation/17372763/Passalurus_ambiguus:_new_insights_into_copromicroscopic_diagnosis_and_circadian_rhythm_of_egg_excretion_ L2 - https://dx.doi.org/10.1007/s00436-007-0513-z DB - PRIME DP - Unbound Medicine ER -