THE PREVALENCE OF PATENT LUNGWORM INFECTIONS IN HERDS OF DIARY COWS IN THE NETHERLANDS

被引：37

作者：

EYSKER, M ^{[1
]}

CLAESSENS, EW ^{[1
]}

LAM, TJGM ^{[1
]}

MOONS, MJ ^{[1
]}

PIJPERS, A ^{[1
]}

机构：

[1] UNIV UTRECHT,DEPT HERD HLTH & REPROD,UTRECHT,NETHERLANDS

来源：

VETERINARY PARASITOLOGY | 1994年 / 53卷 / 3-4期

关键词：

DICTYOCAULUS-VIVIPARUS; CATTLE NEMATODA; EPIDEMIOLOGY-NEMATODA; SEASONALITY; LUNGWORM DISEASE; CARRIERS;

D O I：

10.1016/0304-4017(94)90189-9

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：

The results of a survey on the prevalence of patent lungworm infections in herds of dairy cows in the Netherlands are presented. Low patent infections were recorded in February-March on six out of 40 farms in at least one out of 40 cows. Between mid-April and mid-June low patent infections were detected on 28 out of 39 of these farms in one to four of 40 cows. Two farms on which cows were positive in the first round were negative in the second round. One to three positive cows were found on six out of a total of 15 farms revisited in July-August. These results show that lungworm infections are cycled within herds of dairy cows in the Netherlands at a low level. This indicates that dairy cows are important as carriers for lungworm, particularly in spring. The increased patency of lungworm in cows from winter to spring may be explained by maturation of inhibited larvae.

引用

页码：263 / 267

页数：5

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