Epidemiology of ovine oestrosis (Œestrus ovis Linne 1761, Diptera: Oestridae) in Sicily

被引：51

作者：

Caracappa, S

Rilli, S

Zanghi, P

Di Marco, V

Dorchies, P ^{[1
]}

机构：

[1] Ecole Natl Vet Toulouse, INRA DGER, UMR Physiopathol Infect & Parasitaire Ruminants 9, F-31076 Toulouse, France

[2] Ist Zooprofilattico Sperimentale Sicilia, I-90129 Palermo, Sicilia, Italy

来源：

VETERINARY PARASITOLOGY | 2000年 / 92卷 / 03期

关键词：

Oestrus ovis; sheep-arthropoda; prevalence; Sicily;

D O I：

10.1016/S0304-4017(00)00317-4

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

A survey for oestrosis was carried out in the slaughterhouse at Messine (Sicily) from May 1996 to April 1998. The heads of sheep from local flocks were collected each month. A total of 841 heads were examined according to a validated procedure. 469 (55.8%) were infested by (Estrus ovis larvae. 4423 larva were harvested: 1829 first instar larvae or L1 (41.4%), 1286 second instar larvae or L2 (29.1%) and 1308 third instar larvae or L3 (29.6%). The mean larval burden for infected sheep was 9.4 larva with an average of 3.9 L1, 2.7 L2 and 2.8 L3. No period of hypobiosis was recorded. The proportions of larva in each of the different larval stages was similar from January to September, however, from October to December the percentage of L1 was higher, indicating a period of slowed development. In order to lower the overall prevalence of this disease, it would be necessary to use a parasiticide effective against O. ovis, for all routine parasite control treatments. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：233 / 237

页数：5

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