A brief review on the development of stronglid nematode eggs and larvae under constant and changing temperature conditions-I. Egg development

Salih, N. E.

doi:10.1016/0306-4565(81)90017-6

Cited by 11 publications

(4 citation statements)

References 57 publications

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“…Results obtained from the present study showed that low level of egg hatch inhibition in treatments, which could be attributed to the reported ability of nematode eggs to withstand adverse conditions (Salih, 2003). The reason why eggs are not susceptible to medicinal components as compared to the larval development is because during the experiment larvae are exposed to the medicinal components as compared to eggs (Molan et al, 2003).…”

Section: Discussionmentioning

confidence: 57%

In vitro anthelmintic effects of Artemisia afra and Mentha longifolia against parasitic gastro-intestinal nematodes of livestock

Molefe

Tsotetsi

Ashafa

et al. 2012

Bangladesh J Pharmacol

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Section: Discussionmentioning

confidence: 57%

In vitro anthelmintic effects of Artemisia afra and Mentha longifolia against parasitic gastro-intestinal nematodes of livestock

Molefe

Tsotetsi

Ashafa

et al. 2012

Bangladesh J Pharmacol

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“…Temperature is the climatic variable that most infl uences the development of the eggs of different species of Strongylidae to the point of larval hatching [31]. The velocity of larval development is directly proportional to temperature, and the L3 stage can be reached in a few days under high temperatures, or in a few weeks when the temperature is lower [32,33].…”

Section: Discussionmentioning

confidence: 99%

Seasonality and Dynamics of Gastrointestinal Helminths in Grazing Horses

et al. 2022

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The prevalence of helminths in horses may vary, depending on climatic factors and host susceptibility. The objective of this study was to evaluate the seasonal dynamics of helminth infection in grazing horses, from October 2015 to September 2016. In total, 104 crossbred horses of different age groups, males and females in a single herd, participated in this study. Individual fecal samples were collected every 28 days for counting of eggs per gram of feces (EPG) and fecal cultures. The horses were evaluated individually for weight, body condition score (BCS) and clinical status. Climatic information relating to the farm was also collected. The categories most affected by helminths were foals and senior horses, with EPG averages of 1271.9 and 1186.5, respectively. The EPG averages for all animal categories together, in the four seasons were: 1042.1 spring; 1508.9 summer; 817.8 autumn; and 571.1 winter. Through the body condition evaluation, it was seen that senior animals presented the lowest BCS in all seasons. It was concluded that the season in which these animals were most affected by helminth infections was the summer and that the most susceptible categories were foals and senior horses.

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“…During the larval development phase, the hookworms have limited mobility and hence their growth and rate of development is highly dependent on surrounding physical environmental and climatic factors (Brooker et al, 2004). Cold temperatures may either delay development of eggs, or cause death (Salih, 1981). On the other hand, temperatures in excess of 37 °C can also inactivate eggs or larval stages.…”

Section: Spatial Dependence In Hookworm Prevalencementioning

confidence: 99%

Prevalence, risk factors, and geographical distribution of zoonotic pathogens carried by peri-urban wild dogs

Harriott¹

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Established wildlife populations within peri-urban and urban environments provide an opportunity for the spread of zoonotic pathogens to and from human-associated environments. Wild dogs, including dingoes (Canis lupus dingo), feral domestic dogs (Canis lupus familiaris), and their cross breeds (hybrids) are common across the Australian mainland, and hybrid populations are particularly frequent within peri-urban environments. Previous studies have shown that wild dogs carry zoonotic pathogens of public health significance, however, data relating to peri-urban wild dogs has been limited to a few studies with a small geographical range and / or small sample size.To address the potential public health implications of peri-urban wild dogs, information regarding pathogen diversity, prevalence, risk factors and geographical distribution are required.To investigate the diversity and prevalence of zoonotic pathogens in peri-urban wild dogs, a cross sectional survey was undertaken. Utilising council management programs and private trappers, 201 wild dogs were collected for necropsy. Analysis of faecal and blood samples indicated that helminth parasites were common, detected within 79.6  5.4 % of wild dogs tested, however bacterial pathogens were much less prevalent. Echinococcus granulosus was the most prevalent parasite detected by necropsy, (prevalence 50.7  6.9 %). Hookworms were found to comprise the second most common pathogen of zoonotic significance with an overall prevalence of 28.8% ( 7.1%).Molecular characterisation identified the majority as Ancylostoma caninum. Several pathogens of zoonotic interest were not detected during the study, namely Brucella suis and Neospora caninum.This study provided essential baseline data on the prevalence of pathogens carried by peri-urban wild dog populations in north-eastern Australia, which is required to inform the management of wild dogs in peri-urban areas.Characteristics of the most prevalent parasitic pathogens and their lifecycles suggested possible associations between the diet composition of wild dogs and their infection status. Whole stomachs were collected during necropsy and analysed for dietary composition and biomass. The majority of food items detected were mammalian prey species, most commonly: swamp wallaby (20.6  6.08%); canine species (prey) (10.6  4.62%); eastern grey kangaroo (10.0  4.51 %); and deer species (10.0  4.51%). Wild dogs that consumed swamp wallaby (OR 1.79, p<0.05) or unidentified species of macropods (OR 4.18, p<0.01) were found to be significantly more likely to be infected with E. granulosus than dogs who had consumed non-macropod species. Wild dogs that had consumed various bird (OR 7.80, p<0.01) or bandicoot species (OR 3.09, p<0.01) were found to be significantly more likely to be infected with hookworm compared to dogs that had consumed ii macropods. These findings suggest that diet composition is an important contributing factor to the infection status of wild dogs.To explore the geographical distribution of pathogens a...

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A brief review on the development of stronglid nematode eggs and larvae under constant and changing temperature conditions-I. Egg development

Cited by 11 publications

References 57 publications

<i>In vitro </i>anthelmintic effects of <i>Artemisia afra</i> and <i>Mentha longifolia</i> against parasitic gastro-intestinal nematodes of livestock

<i>In vitro </i>anthelmintic effects of <i>Artemisia afra</i> and <i>Mentha longifolia</i> against parasitic gastro-intestinal nematodes of livestock

Seasonality and Dynamics of Gastrointestinal Helminths in Grazing Horses

Prevalence, risk factors, and geographical distribution of zoonotic pathogens carried by peri-urban wild dogs

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