NOTES ON A NODULAR DISEASE OF THE INTESTINE OF THE OPEN-BILLED STORK — (Anastomus oscitans) CAUSED BY Chaunocephalus ferox

Patnaik, M. M.; Rao, A. T.; Acharjyo, L N; Mohanty, Debajyoti

doi:10.7589/0090-3558-6.1.64

Cited by 6 publications

(9 citation statements)

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“…Moreover, of the 9 worms, 5 were immature or young adult worms. Thus, the infection in our case was relatively minor compared with that in previously reported cases [7–12]. However, we did observe thickening of the intestinal wall that might acted as a risk factor for intestinal obstruction and gastric impaction.…”

Section: Discussioncontrasting

confidence: 47%

“…Poonswad et al [8] and Patnaik et al [7] suggest that the pathogenicity of C. ferox depends on the number of mature worms and large adults, respectively. In our case, the whole intestine had only 7 nodules, from which we retrieved 9 worms.…”

Section: Discussionmentioning

confidence: 99%

“…The first pathological report of this fluke infection was recorded by Patnaik et al in 1969 [7]. Since then, several reports on the pathological findings of this fluke infection in different hosts and localities have been published [8–12].…”

Section: Introductionmentioning

confidence: 99%

“…Since then, several reports on the pathological findings of this fluke infection in different hosts and localities have been published [8–12]. Despite the differences in hosts and locations, all reported cases have similar histopathological features, including traumatic destruction of tissues with hemorrhages, inflammatory cell infiltrations, and thickening of the intestinal wall due to fibrosis [7–12]. The infected birds exhibit diarrhea, listlessness, and loss of appetite before dying [7–12].…”

Section: Introductionmentioning

confidence: 99%

“…Despite the differences in hosts and locations, all reported cases have similar histopathological features, including traumatic destruction of tissues with hemorrhages, inflammatory cell infiltrations, and thickening of the intestinal wall due to fibrosis [7–12]. The infected birds exhibit diarrhea, listlessness, and loss of appetite before dying [7–12]. This fluke infection has been reported in both captive and wild stork populations and constitutes a serious health concern in terms of the management of these birds.…”

Section: Introductionmentioning

confidence: 99%

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A Case of Chaunocephalosis by Chaunocephalus ferox (Digenea: Echinostomatidae) in an Oriental White Stork, Ciconia boyciana, in Korea

et al. 2016

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We intended to describe a case of chaunocephalosis and morphological characteristics of its causative agent, Chaunocephalus ferox, recovered from an oriental white stork, Ciconia boyciana, in the Republic of Korea. An oriental white stork was referred to the Wildlife Center of Chungbuk in Korea in February 2014 for severe depression with cachexia and it died the next day. At necropsy, the stomach was severely expanded and 7 thick-walled nodules were observed in the upper part of the intestine. Although the stomach was filled with full of foreign materials, the intestine was almost empty. The nodules were globular and total 9 flukes were recovered. They were 8,030–8,091 μm in length and 3,318–3,333 μm in maximum width. Because the flukes had bulbous forebody with short narrow subcylindrical hindbody, 27 collar spines, and vitelline follicles not reaching to the posterior end, the specimens were identified as being C. ferox. The cyst formation induced thickening of the intestinal wall with narrowing of the lumen that could have contributed to the gastric impaction to the death of the host. This is the first described case of chaunocephalosis and its causative agent C. ferox found from an oriental white stork in Korea.

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Section: Discussioncontrasting

confidence: 47%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Case of Chaunocephalosis by Chaunocephalus ferox (Digenea: Echinostomatidae) in an Oriental White Stork, Ciconia boyciana, in Korea

et al. 2016

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Flying across Europe: the case of the spread of Chaunocephalus ferox on a black stork (Ciconia nigra)

Gonzálvez

Muñoz

Ramón³

et al. 2022

J. Helminthol.

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The annual migration of birds involves a very large number of inter-continental and intra-continental movements in which thousands of bird species participate. These migrations have been associated with the spread of pathogens worldwide, including bacteria, viruses and parasites. This study describes the case of a black stork (Ciconia nigra) that was ringed at the nest in Latvia and died five months later in the south-east of the Iberian Peninsula. Post-mortem examination revealed that the cause of death was electrocution. In addition, a massive infection by the trematode Chaunocephalus ferox (Digenea: Echinostomatidae) causing severe granulomatous lesions throughout the small intestine was detected. This is the first report of C. ferox infection in a black stork in the Iberian Peninsula, a trematode that, due to the severe lesions it causes, can affect the health of C. ferox-infected wild birds, particularly in severely infected long-distance migrants. The dispersal of platyhelminths associated with migratory birds is discussed. After the ringing at the nest, the black stork was sighted in Central Europe one month before its capture, and the trematodes found by necropsy were mostly mature adults. Consequently, we estimate that this juvenile animal acquired the infection during its migration in a European area other than the Iberian Peninsula, evidencing a long-distance parasite spread through its migratory host. Our study highlights that bird ringing can be used to understand the epidemiological implications that bird migratory behaviour may have on the dispersal of parasites.

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A case of nodular enteritis due to Chaunocephalus ferox in a white stork (Ciconia ciconia) in Bulgaria

Iliev,

Dimitrov,

Ivanov

2023

BJVM

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The present report describes a case of chaunocephalosis due to Chaunocephalus ferox in a white stork (Ciconia ciconia) in Bulgaria. On July 2017, a malnourished and debilitated adult white stork was found in a field near Stara Zagora city. The bird was caught and transported to the Wildlife Rescue Center of Green Balkans organisation, with history of weakness, severe watery diarrhoea, loss of appetite, and cachexia. The stork died several hours after admission. The corpse was referred to the Department of General and Clinical Pathology, Faculty of Veterinary Medicine, Trakia University where post-mortem examination was performed. The necropsy revealed the presence of multifocal to coalescing mural intestinal nodular circumscribed lesions affecting all portions of the intestinal tract, most prominent and numerous in the jejuno-ileal segment. When sectioned, the nodules contained either single, or 2 to 3 small flattened tadpole-like trematodes which were identified as Ch. ferox. Histologically, a total traumatic destruction with ulceration and necroses of intestinal tissue layers were found at the site of fluke penetration. The trematodes also formed a marked granulomatous inflammatory reaction with inflammatory cellular infiltrate, consisting mainly of heterophilic and pseudoeosinophilic leukocytes, lymphocytes and histiocytes. In the area of infection, the intestinal villi and mucosa were totally eroded, and the surrounding mucosal crypts were distended by necrotic detritus.

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NOTES ON A NODULAR DISEASE OF THE INTESTINE OF THE OPEN-BILLED STORK — (Anastomus oscitans) CAUSED BY Chaunocephalus ferox

Abstract: An account is given of the pathology of open-billed storks, Anastomus oscitans, suggested that the parasitic trematodes host. of nodular lesions in the small intestine caused by Chaunocephalus ferox. It is lead an entirely histiozoic life in this

Cited by 6 publications

References 0 publications

A Case of Chaunocephalosis by Chaunocephalus ferox (Digenea: Echinostomatidae) in an Oriental White Stork, Ciconia boyciana, in Korea

A Case of Chaunocephalosis by Chaunocephalus ferox (Digenea: Echinostomatidae) in an Oriental White Stork, Ciconia boyciana, in Korea

Flying across Europe: the case of the spread of Chaunocephalus ferox on a black stork (Ciconia nigra)

A case of nodular enteritis due to Chaunocephalus ferox in a white stork (Ciconia ciconia) in Bulgaria

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