Schistosomus reflexus in a sheep

Sm, Dennis; Meyer, Éric P.

doi:10.1136/vr.77.47.1386

Cited by 19 publications

(14 citation statements)

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“…VARIOUS terms have been used for eventration of abdominal viscera such as gastroschisis, schistocoelia, exomphalos, abdominal fissure and schistosomus reflexus. Schistosomus reflexus is an extreme closure defect of the abdominal cavity and is a common lethal defect of cattle but apparently rare in sheep, goats and swine (Dennis and Meyer 1965;Bedford 1967;Roberts 1971).…”

Section: Introductionmentioning

confidence: 99%

Schistocoelia in a twin foal

Addo¹,

Cook²,

Dennis³

1984

Equine Veterinary Journal

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Section: Introductionmentioning

confidence: 99%

Schistocoelia in a twin foal

Addo¹,

Cook²,

Dennis³

1984

Equine Veterinary Journal

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“…On the other hand, Neobacrin ointment containing bacitracin/neomycin applied at the sutured area daily until complete healing ( Figure 5, 6). Fetal monster with herniation of abdominal viscera and skeletal defects is referred to as Schistosomus reflexus (Dennis et al, 1965). This is possibly the first case of atypical SR reported in dairy cow at Chittagong city of Bangladesh.…”

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confidence: 97%

Schistosomus Reflexus Syndrome, a Congenital Defect in Ruminants; Occurrence and Management through Caesarean Section in Dairy Cow

Barua¹

2014

Res. j. vet. pract.

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Schistosomus reflexus (SR) is a congenital birth defect resulting in the malformation of the whole body. This malformed calves unable to pass through the birth canal and must be recuperated by caesarean section or fetotomy. This anomaly frequently observed in ruminants and its characteristic features include spinal inversion, exposure of the abdominal organs because of a large opening in the ventral abdominal wall, crooked and improperly positioned limbs adjacent to the skull. Recovery from Schistosomus reflexus (SR) was carried out by caesarean section and finally the dam was recovered after a continuous treatment regimen. Investigation from preliminary analysis of related cases depicts that SR has a genetic aetiology. All copyrights reserved to Nexus® academic publishers

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“…9 Although the cause of SRS remains unclear, the hypothesis that genetic factors are involved is supported by epidemiological evidence of case clusters. 10,12,22 SRS has been frequently reported in cattle 22,27 but occasionally in sheep 14 and goats. 2,18,38 Sporadic cases have been reported in other domestic mammals, 6,16,24,29,31 as well as in nondomestic animals.…”

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confidence: 99%

“…25 SRS is grossly characterized by the presence of exposed abdominal and or thoracic viscera due to a severe form of abdominal herniation or fissures on the ventral or midventral abdominal wall (schistosomus) and marked spinal inversion of either dorsiflexion or retroflexion, producing a distinctive ventral convex curvature (reflexus). 14 Other minor defining characteristics include limb ankylosis, positioning of the extremities adjacent to the head, and hypoplasia of the lung and diaphragm. 27 Only those cases displaying both exposed viscera and spinal inversion are considered true SRS; however, variation among these defining features has been reported.…”

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Schistosomus Reflexus Syndrome in Olive Ridley Sea Turtles (Lepidochelys olivacea)

et al. 2016

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The olive ridley sea turtle ( Lepidochelys olivacea), considered the most abundant sea turtle species, is listed as vulnerable on the International Union for Conservation of Nature Red List. The most important nesting areas are located in the Eastern Pacific, and congenital malformations have been previously reported in this species. The present study was conducted in a single population at El Verde beach, one of the most important nesting beaches for the species in the northwestern Mexican Pacific. The study was based on embryos that had been incubated in a controlled environment. Schistosomus reflexus syndrome (SRS) was observed in 124 of 20 257 olive ridley embryos (0.6%), comprising 124 of 400 (31%) cases of congenital malformations over a 7-month period. Affected embryos had malformations of the carapace, bridge, or plastron, resulting in exposure of the abdominal or thoracic viscera, as well as spinal malformation and abnormal positioning of limbs adjacent to the head with subsequent ankylosis. SRS phenotypes (although lethal) varied from mild to severe, although most cases were severe. SRS was mostly associated with congenital malformations in the neck (short neck, 80%), tail (anury, 38%), and flippers (different types of dysmelias, 53%). In most cases of severe SRS, ankyloses were present. Documenting these findings could be important to identify the cause of the developmental defects, and identification of the cause of the defects may be of significance to the population and to our efforts to manage this and other populations at risk.

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Schistosomus reflexus in a sheep

Cited by 19 publications

References 0 publications

Schistocoelia in a twin foal

Schistocoelia in a twin foal

Schistosomus Reflexus Syndrome, a Congenital Defect in Ruminants; Occurrence and Management through Caesarean Section in Dairy Cow

Schistosomus Reflexus Syndrome in Olive Ridley Sea Turtles (Lepidochelys olivacea)

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