Department of Para-Clinics, Faculty of Veterinary Medicine, Eduardo Mondlane University, Maputo, Mozambique; and, School of Life Science, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Westville, South Africa.
Onderstepoort J Vet Res. 2019 Aug 12;86(1):e1-e6. doi: 10.4102/ojvr.v86i1.1709.
Giardia and Cryptosporidium species are significant zoonotic parasites of humans and domesticated animals.
The study aimed to determine the prevalence of Giardia and Cryptosporidium in livestock and dogs of the Magude District.
The flotation technique (Willis), modified Ziehl-Neelsen (mZN) and direct and indirect immunofluorescence (DIF and IIF) techniques were applied to determine the prevalence of Giardia and Cryptosporidium species in faecal samples of dog pups (156), goat kids (60) and calves (480) from the Magude District of Mozambique from February to September 2015.
Using Willis, IIF and DIF, the prevalence of Giardia in calves was 0%, 8.1%, and 6.0%; in dogs 0.6%, 8.3% and 5.7% and for goats 0% and 13.3% (IIF was not performed), respectively. The prevalence of Cryptosporidium in calves using Willis, mZN, IIF and DIF was 0%, 3.8%, 4.7% and 0.4% and in dogs 0%, 0.6%, 6.4% and 0.6%, respectively. The parasite was not detected in goats.
Results from the present study showed that IIF performed better diagnosis of Giardia and Cryptosporidium, and that the mZN can be used as an alternative for Cryptosporidium because of the high cost of IIF. There is a need for identification of genotypes or subtypes of these parasites through application of molecular techniques in order to determine their zoonotic potential, and we advocate a 'one health' approach in the control and prevention of these parasites.
贾第鞭毛虫和隐孢子虫是重要的人类和家养动物的人畜共患寄生虫。
本研究旨在确定马古德地区家畜和犬中贾第鞭毛虫和隐孢子虫的流行情况。
采用漂浮技术(Willis)、改良齐氏染色法(mZN)和直接免疫荧光法(DIF)和间接免疫荧光法(IIF)检测 2015 年 2 月至 9 月来自莫桑比克马古德地区的犬幼仔(156 只)、山羊幼仔(60 只)和牛犊(480 只)粪便样本中贾第鞭毛虫和隐孢子虫的流行情况。
使用 Willis、IIF 和 DIF,牛犊中贾第鞭毛虫的流行率分别为 0%、8.1%和 6.0%;犬为 0.6%、8.3%和 5.7%;山羊为 0%和 13.3%(未进行 IIF)。使用 Willis、mZN、IIF 和 DIF 检测牛犊中隐孢子虫的流行率分别为 0%、3.8%、4.7%和 0.4%;犬为 0%、0.6%、6.4%和 0.6%。山羊中未检测到寄生虫。
本研究结果表明,IIF 对贾第鞭毛虫和隐孢子虫的诊断效果更好,而 mZN 可作为隐孢子虫的替代方法,因为 IIF 的成本较高。需要应用分子技术鉴定这些寄生虫的基因型或亚型,以确定其人畜共患潜力,我们提倡采用“同一健康”方法来控制和预防这些寄生虫。