Caprine coenurosis with special reference to hepatic coenurosis

Godara, Rajesh; Borah, M. K.; Sharma, Rinku; Jangir, Babu Lal

doi:10.1007/s00580-010-1108-0

Cited by 11 publications

(13 citation statements)

References 4 publications

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“…Indeed, geladas in our study population were observed with cysts that appeared to impede breathing, movement, and mating, and often became infected after bursting. Thus, T. serialis larvae appear to act similarly to those of other taeniid species, causing mechanical injury to muscular, visceral, neural, and connective tissue, physical impingement of nerves, and obstruction of arterial and venous flow (Godara, Borah, Sharma, & Jangir, ; Oryan, Akbari, Moazeni, & Amrabadi, ; Sharma & Chauhan, ). Beyond directly precipitating death, these pathologies can thwart the predation‐protection ostensibly offered by large social groups (Janson & Goldsmith, ; Van Schaik, ) by hampering the ability of infected geladas to keep pace with their groups.…”

Section: Discussionmentioning

confidence: 99%

High mortality associated with tapeworm parasitism in geladas (Theropithecus gelada) in the Simien Mountains National Park, Ethiopia

Schneider‐Crease¹,

Griffin²,

Gomery³

et al. 2017

American J Primatol

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Despite increasing appreciation for parasitism as an important component of primate ecology and evolution, surprisingly few studies have demonstrated the costs of helminth parasitism in primates. Detecting parasite-related costs in primates is particularly difficult because it requires detailed, long-term data on individual host reproductive success, survival, and parasitism. The identification of the larval tapeworm Taenia serialis in geladas under intensive long-term study in the Ethiopian Highlands (Nguyen et al. [2015] American Journal of Primatology, 77:579-594; Schneider-Crease et al. [2013] Veterinary Parasitology 198:240-243) provides an opportunity to examine how an endemic parasite impacts host reproductive success and survival. We used survival analyses to assess the mortality risk associated with protuberant larval cysts characteristic of T. serialis using a decade of data from a gelada population in the Simien Mountains National Park (SMNP), Ethiopia. We demonstrated strikingly high mortality associated with T. serialis cysts in adult females, particularly for younger adults. The estimated effect of cysts on male mortality was similar, although the effect was not statistically significant, likely owing to the smaller sample size. Additionally, the offspring of mothers with cysts experienced increased mortality, which was driven almost entirely by maternal death. Mothers with cysts had such high mortality that they rarely completed an interbirth interval. Comparison with a study of this parasite in another gelada population on the Guassa Plateau (Nguyen et al. [2015] American Journal of Primatology, 77:579-594) revealed lower cyst prevalence in the SMNP and similar cyst-associated mortality. However, many more females with cysts completed interbirth intervals at Guassa than in the SMNP, suggesting that T. serialis cysts may kill hosts more rapidly in the SMNP. Our results point toward the underlying causes of individual and population-level heterogeneity in T. serialis-associated mortality as important areas for future research.

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Section: Discussionmentioning

confidence: 99%

High mortality associated with tapeworm parasitism in geladas (Theropithecus gelada) in the Simien Mountains National Park, Ethiopia

Schneider‐Crease¹,

Griffin²,

Gomery³

et al. 2017

American J Primatol

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“…Genetic characterisation and phylogenetic position is a diagnostic tool for identification of various species of metacestodes (Huttner et al 2008). Godara et al (2011) reported simultaneous coenuri in the cerebrum and liver of goats but found no coenuri in the skeletal muscles or subcutaneous tissues. They also concluded that C. cerebralis and C. gaigeri are not different species.…”

Section: Discussionmentioning

confidence: 99%

Prevalence, predilection sites and pathological findings of <i>Taenia multiceps</i> coenuri in slaughtered goats from south-east Iran

Kheirandish

Sami

Azizi

et al. 2012

Onderstepoort J Vet Res

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Coenurosis is a zoonotic disease in a variety of ruminants caused by the metacestode of Taenia multiceps. The coenuri in the brain and spinal cord of sheep and goats have been identified as Coenurus cerebralis whilst those reported in other tissues have been named Coenurus gaigeri. This study was conducted during the spring and summer of 2011. Out of 25 739 goats inspected in slaughterhouses, 23 carcasses (0.09%) revealed one or multiple visible swellings on the different muscles and visceral organs. The coenuri, of variable sizes, were found mainly in the muscles of the thigh, shoulder and neck, and were less common in the abdominal muscles and subcutaneous tissues. Coenuri were also found in the diaphragm, tongue, intercostal muscles, lung, parotid area and tunica adventitia of the aorta in a goat with severe infection. The brains of slaughtered goats that had coenuri in their skeletal muscles were examined and coenuri were found in two specimens (8.69%). The coenuri were located in the occipital lobe, the anterior part of the right cerebrum and the parietal lobe of the left cerebrum. Histopathologically, coenuri in the brain caused pressure atrophy and liquefactive necrosis in the surrounding tissues, hyperaemia, perivascular cuffing, neuronal degeneration, neuronophagia, satellitosis, diffuse microgliosis and astrocytosis. Coenuri in the skeletal muscles caused degenerative and necrotic changes, hyalinisation and myositis. In the lung, tissues around the coenurus revealed atelectasis and focal interstitial fibrosis. In the present study, concurrent occurrence of coenuri in the central nervous system and skeletal muscles supports the hypothesis that C. cerebralis and C. gaigeri are different names for the metacestodes of the same species of tapeworm.

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“…Mean ± standard deviation (SD) of total length of the large and small hooks in T. multiceps was 120 -195 and 73 -150, respectively, in the literature (17). Each species had many protoscolices clustered together, usually in rows in C. serialis (18); hence, two species (T. serialis and T. multiceps) are considered as one genus by some authors (19). Other authors distinguished them on morphological grounds.…”

Section: Discussionmentioning

confidence: 99%

Coenurus serialis in Northeastern Iran: A Probable Danger to Human

et al. 2018

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Background: Coenurosis is a zoonotic disease caused by the larval stage of Taenia multiceps or Taenia serialis species. Objectives: The current study aimed at reporting the entity of Coenurus serialis in Iran. Methods: The five dead rabbits found in Sarakhs city, Northeastern Iran, were inspection carefully. Coenurus serialis cysts recovered from their muscles were inoculated orally into a four-month-old Spitz/Terrier dog. Results: Based on the current study, 40% of the inspected rabbits in Northeastern Iran had C. serialis. The eggs appeared in the feces 58 days post-inoculation (dpi). Cestodes length was 15-25 cm and the total number of scolex hooks was 30 ± 1. The mean length of large and small hooks was 140 and 90 µm, respectively. Discussion: Taenia multiceps and T. serialis in dogs were morphologically indistinguishable in the current study. The disease exists in Northeastern Iran in animals and is the potential danger as a zoonotic disease. The current study established the first experimental infection of C. serialis in Iran. Neurosurgeons should consider the probability of the disease in this region.

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Caprine coenurosis with special reference to hepatic coenurosis

Cited by 11 publications

References 4 publications

High mortality associated with tapeworm parasitism in geladas (Theropithecus gelada) in the Simien Mountains National Park, Ethiopia

High mortality associated with tapeworm parasitism in geladas (Theropithecus gelada) in the Simien Mountains National Park, Ethiopia

Prevalence, predilection sites and pathological findings of <i>Taenia multiceps</i> coenuri in slaughtered goats from south-east Iran

Coenurus serialis in Northeastern Iran: A Probable Danger to Human

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