Prevalence of Linguatula serrata nymphs in sheep in Shiraz, Iran

Shekarforoush, Seyed Shahram; Razavi, S. M.; Izadi, M

doi:10.1016/s0921-4488(03)00224-4

Cited by 32 publications

(16 citation statements)

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“…This finding is similar to Nourollahi Fard et al (2010) and Razavi et al (2004) findings and is adversed to research of Shekarforoush et al (2001) who reported infestation rate to nymph of L. serrata in liver of goats was higher than mediastinal nymph nodes (Nourollahi Fard et al 2010;Razavi et al 2004;Shekarforoush and Arzani 2008). The prevalence rate of mesenteric lymph nodes was higher because of its location in the way of portal circulation and infected as the first sites before the liver and other viscera.…”

Section: Discussionsupporting

confidence: 89%

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The prevalence of Linguatula serrata nymphs in goats slaughtered in Tabriz, Iran

et al. 2012

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During 1 year (April 2009-April 2010, the prevalence of Linguatula serrata (L. serrata) nymphs in liver and mesenteric and mediastinal lymph nodes (MLN) of 740 native goats of different sex and ages were examined in Tabriz, north west of Iran. Initially the organs were macroscopically examined for nymphal stage of L. serrata and then were digested by acid-pepsin method to further investigation. The prevalence rate was obtained 55.27%. The mesenteric lymph nodes (MLN) in 334 (45.13%), the lymph nodes (LN) in 102 (13.78%) and the livers in 8 (1.08%) goats out of 740 were infected with L. serrata nymphs. The results indicated a high rate of infection of LN in goats in this region of Iran.

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Section: Discussionsupporting

confidence: 89%

“…Livers examination was performed in two steps: (1) they were sliced in 4-5 mm thick and observed carefully to find the encapsulated or free nymphs; (2) 100 g of mixed sliced samples were digested in 200 ml of pre-heated digestive fluid (Razavi et al 2004;Shekarforoush et al 2001).…”

Section: Methodsmentioning

confidence: 99%

The prevalence of Linguatula serrata nymphs in goats slaughtered in Tabriz, Iran

et al. 2012

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“…In the study conducted by Shekarforoush et al, (2004), the prevalence of L. serrata nymphs has been significantly greater in female than in male sheep. The differences in the results of the various studies may be due to differences in the management and grazing systems and in the number of the animals under study.…”

Section: Discussionmentioning

confidence: 91%

Prevalence of Linguatula serrata nymphs and pathological lesions of infected mesenteric lymph nodes among ruminants in Kermanshah, western Iran

Hashemnia¹,

Rezaei²,

Sayadpour³

et al. 2018

BJVM

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Linguatulosis is one of the important zoonotic diseases that cause public health problems worldwide. This study was carried out from March 2014 to February 2015 to estimate the prevalence of nymphal stages of Linguatula serrata in ruminants of different sex and age slaughtered at the Kermanshah municipal abattoir, in western Iran. For this purpose, the mesenteric lymph nodes (MLNs) were examined grossly and three MLNs for each animal were collected for parasitological and pathological studies. Of the total of 456 sheep (252 ♂ and 204 ♀), 390 goats (215 ♂ and 175 ♀) and 412 cattle (255 ♂ and 157 ♀), 90 (19.7%), 98 (25.1%) and 53 (12.8%) were infected with nymph stages of L. serrata, respectively. A significant difference in the prevalence of linguatulosis was observed among studied animals (P<0.05) and the highest and lowest prevalence were detected in goats and cattle, respectively. Prevalence of L. serrata nymphs in males and females was not significantly different (P>0.05). The prevalence increased with age (P<0.05). Grossly, the infected MLNs were enlarged, and their cross-sectional areas were coarse, firm, granulated, oedematous, and red in colour. Necrosis, oedema, haemorrhages, depletion of the lymphocytes and granulomatous reactions which are characterised by infiltration of mononuclear inflammatory cell around the parasite were the main histopathological lesions. These results indicated the high prevalence of L. serrata infection in livestock animals in Kermanshah. Furthermore, this study provides a preliminary baseline data for the future monitoring of this potentially important parasitic disease. The potential importance of these findings to human health is discussed.

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“…This parasite has been reported in humans in Iran (Hodjati and naghili 1987;Fata et al 1994, Sadjjadi et al 1998Maleky 2001). Several studies have shown the prevalence of L. serrata infection in animals including, dogs (Oryan et al 1997(Oryan et al , 2008Khalil 1970;Tavassoli et al 2000;Meshgi and Asgarian 2003), camels (Mobedi et al 1998;Oryan et al 1993;Tajik et al 2007;Pourjafar et al 2007;Shakerian et al 2008), buffaloes (Sisakumar et al 2005), sheep (Esmail-Nia et al 2000;Shekarforoush et al 2004;Tavassoli et al 2007;Ravindran et al 2008;NourollahiFard et al 2011), cattle (Nourollahi-Fard et al 2010a) and goats (Saiyari et al 1996;Razavi et al 2004;NourollahiFard et al 2010b). …”

Section: Introductionmentioning

confidence: 99%

Prevalence of Linguatula serrata nymphs in slaughtered sheeps in Isfahan province, southwest of Iran

et al. 2013

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Linguatula serrata, well known as tongue worm; is an aberrant cosmopolitan parasite, which inhabits the carnivorous mammals (especially Canidae) respiratory system. The discharged eggs infect many plant feeder animals including human that produces visceral and nasopharyngeal linguatulosis which is known as Marrara syndrome in man. In current study, the prevalence rate of infection with L. serrata nymphs in mesenteric and mediastinal lymph nodes (MLNs) of slaughtered sheeps was investigated in Esfahan Province, Iran. The MLNs of 506 slaughtered sheeps, including 236 females and 270 males, were examined for L. serrata nymphs by cutting the MLNs longitudinally and then microscopic studies for L. serrata nymphs. Sheeps were categorized into four age groups, including \1 year, 1-2 years, 2-3 years and [3 years. Results showed that 11.66 % of examined sheeps were infected with L. serrata. Age had significant effect on the prevalence rate of this parasite in sheeps (infection in sheeps with [3 years old was more than other groups significantly) and sex had no significant effect on the prevalence rate of this parasite in sheeps. Infection rate in winter was significantly lower than infection rate in spring; but there were no significant differences between the other seasons. As high prevalence rate of infection in sheeps, suggesting possibly similar high rate of infection in other animals and man in the investigated area, which this emphasizes undertaking strict control measures to reduce risk of zoonotic outbreaks. This study was demonstrated infection rate of L. serrata in sheeps in central parts of Iran.

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Prevalence of Linguatula serrata nymphs in sheep in Shiraz, Iran

Cited by 32 publications

References 4 publications

The prevalence of Linguatula serrata nymphs in goats slaughtered in Tabriz, Iran

The prevalence of Linguatula serrata nymphs in goats slaughtered in Tabriz, Iran

Prevalence of Linguatula serrata nymphs and pathological lesions of infected mesenteric lymph nodes among ruminants in Kermanshah, western Iran

Prevalence of Linguatula serrata nymphs in slaughtered sheeps in Isfahan province, southwest of Iran

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