Gasterophilus spp. infections in horses from northern and central Kazakhstan

Ibrayev, Baltabek; Lider, Lyudmila A.; Bauer, C.

doi:10.1016/j.vetpar.2014.11.015

Cited by 16 publications

(16 citation statements)

References 20 publications

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“…G. pecorum was the most abundant species of Gasterophilus spp. in the three equids, which differs from studies in other regions of the world where it was reported that G. nasalis and G. intestinal is are the abundant species [ 8 , 13 , 14 , 16 ]. Our results suggest that G. pecorum is more adaptable to the local environment in KNR.…”

Section: Discussioncontrasting

confidence: 97%

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Gasterophilus(Diptera, Gasterophilidae) infestation of equids in the Kalamaili Nature Reserve, China

Huang

Zhang

Chu³

et al. 2016

Parasite

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We investigated infections with Gasterophilus spp. in three equids within the Kalamaili Nature Reserve (northern China). We conducted necropsies on 6 Przewalski’s horses (Equus ferus przewalskii) and 6 Mongolian wild asses (Equus hemionus) and administered ivermectin to 10 overwintering domestic horses to expel parasites during winter periods. All 22 equids studied (100%) were infested with Gasterophilus spp. and a total of 17,225 larvae were collected. These included six species: G. haemorrhoidalis, G. inermis, G. intestinalis, G. nasalis, G. nigricornis, and G. pecorum. The mean intensity of Gasterophilus spp. larvae was 1904 in Przewalski’s horses, 780 in Mongolian wild asses, and 113 in domestic horses. Gasterophilus pecorum was the most abundant species in all three equids. Przewalski’s horses, a reintroduced species, had a significantly higher intensity of Gasterophilus spp. than the Mongolian wild ass, indicating greater susceptibility to parasites in its ancestral home.

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Section: Discussioncontrasting

confidence: 97%

“…The high prevalence of Gasterophilus spp. larvae (100%) in the three equids is comparable to that reported for horses in Kazakhstan (100%) [ 8 ]. In contrast, this prevalence is much higher than reported in Sanliurfa, Turkey (9.82%) [ 7 ].…”

Section: Discussionsupporting

confidence: 77%

Gasterophilus(Diptera, Gasterophilidae) infestation of equids in the Kalamaili Nature Reserve, China

Huang

Zhang

Chu³

et al. 2016

Parasite

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“…Las moscas del género Gasterophilus, comprenden ocho especies en todo el mundo 35 , con reportes de prevalencias que varían entre el 3 y 94% 19,24,36 , sin embargo, las especies de Gasterophilus tienen diferente distribución en el mundo aunque solamente Gasterophilus intestinalis y Gasterophilus nasalis presentan distribución mundial 21,23,38,46 , es así como, sólo dos de estas especies (G. nasalis y G. intestinalis) han sido las reportadas en Argentina 11 y Chile 44 .…”

Section: Introductionunclassified

Ocurrencia de miasis cavitaria equina (Gasterophilus Spp) y su relación con las úlceras gástricas secundarias en la mucosa escamosa en Temuco, Chile

Cardona

Álvarez

Paredes

2016

Ces. Med. Vet. Zootec.

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Cardona JA et al. Ocurrencia de miasis cavitaria equina (Gasterophilus Spp) y su relación con las úlceras gástricas ¤ Para citar este artículo: Cardona JÁ, Álvarez A, Paredes E. Ocurrencia de miasis cavitaria equina (Gasterophilus Spp) y su relación con las úlceras gástricas secundarias en la mucosa escamosa en AbstractThe aim of this study was to determine the ocurrence of equine cavitary myiasis (Gasterophilus spp) in the CholChol slaughtering house in Temuco, Chile and its relation with the presentation of secondary gastric ulcers in the non-glandular squamous mucosa of the horses' (Equus caballus) stomachs. Of 240 stomachs evaluated post mortem, 145 were selected and characterized as positive to gasterophilosis (60.4%), of which 75 were males (20 stallions and 55 geldings) and 70 were mares, with ages ranging from 1 to 16 years. Every stomach was evaluated, characterized and photographed post mortem. Information about sex, age, location of the Gasterophilus larvae, presence and degree of ulceration of the squamous mucosa, were recorded in the respective forms and posteriorly digitalized. Global analysis of the location of larvae in the stomach of horses positive to gasterophilosis, established that 91.7% were located in the glandular mucosa, while 8.3% were located in the squamous mucosa. In the stomachs with presence of larvae in the antral/piloric regions of the glandular mucosa, 87.6% had secondary ulcers in the nonglandular squamous mucosa, due to the increase in the gastric fill line following alterations in gastric emptying, of which 69% were classified in categories 3 to 4 with a number of larvae higher tan 30, while 18.6% were found in categories 1 or 2 with less than 30 larvae per site. Regarding the location of larvae in the squamous mucosa, 8.3% of the stomachs showed primary mechanic ulcers, all classified between grades 1 and 2. Of all the animals evaluated, 62.1% had more tan 60 larvae, of which 60.1% had grade 3 or 4 secondary squamous ulcers, 15.9% had between 30 and 60 larvae per site, and 14.5% had less than 30 larvae per site. The study showed significant statistical dependence (p<0.05) between the number of larvae located in the glandular mucosa and the degree of severity of the secondary gastric ulcers in the squamous mucosa. Concluding, a high ocurrence of cavitary gastric myiasis was observed in slaughtering horses in the south of Chile, with squamous ulcers secondary to abnormal gastric emptying being the

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“…Similar observations were recorded by Otranto et al [23], Pilo et al [27] in Italy, and Niedźwiedź et al [22] in Poland. However, Ibrayev et al [15] and Pandey et al [24] found in Kazakhstan and Morocco respectively that older animals have fewer larvae than younger ones. They explained this observation by the development of protective immunity resulting from a previous infection.…”

Section: Discussionmentioning

confidence: 99%

“…While Gasterophilus intestinalis and Gasterophilus nasalis are distributed worldwide, the remaining seven species are usually reported in limited areas of Eastern Europe and Africa [22]. The presence of Gasterophilus species has been investigated in different countries such as Belgium, Ireland, China, Germany, Kazakhstan, and Poland, with rates varying between 43 and 100% [1,13,15,18,29,33]. In Algeria, no data on the prevalence and on the species composition of Gasterophilus spp.…”

Section: Introductionmentioning

confidence: 99%

Report on Gasterophilus spp. (Diptera, Gasterophilidae) of Horses in Algeria: Prevalence, Intensity, and Monthly Variations

Kraouchi

Meradi

Bentounsi

2018

Bull Soc Pathol Exot

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Gasterophilus spp. infections in horses from northern and central Kazakhstan

Cited by 16 publications

References 20 publications

Gasterophilus(Diptera, Gasterophilidae) infestation of equids in the Kalamaili Nature Reserve, China

Gasterophilus(Diptera, Gasterophilidae) infestation of equids in the Kalamaili Nature Reserve, China

Ocurrencia de miasis cavitaria equina (Gasterophilus Spp) y su relación con las úlceras gástricas secundarias en la mucosa escamosa en Temuco, Chile

Report on Gasterophilus spp. (Diptera, Gasterophilidae) of Horses in Algeria: Prevalence, Intensity, and Monthly Variations

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