SUSPECTED HYPERVITAMINOSIS D IN RED-RUMPED AGOUTI (<i>DASYPROCTA LEPORINA</i>) RECEIVING A COMMERCIAL RODENT DIET

Anderson, Kadie; Lewandowski, Albert H.; Dennis, Patricia M.

doi:10.1638/2016-0226r2.1

Cited by 6 publications

(8 citation statements)

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“…3 However, if given in excessive doses through diet, hypervitaminosis D can occur and has been documented in other species. [4][5][6] Because vitamin D is responsible for mobilizing stem cells to osteoclasts for remodeling bone and mobilizing calcium stores to form bone, hypercalcemia caused by hypervitaminosis D could be the cause of the long bone hyperostosis seen in this tamandua.…”

Section: Commentsmentioning

confidence: 99%

“…Hypervitaminosis D has been shown to cause sustained hypercalcemia, leading to metastatic calcification and mineralization of soft tissues in several different species kept in captivity including small mammals and rodents. 4,5 Vertebral hyperostosis has been documented in 5 captive tamandua in a previous study, and the cause was attributed to elevated levels of liver vitamin A as well as vitamin D. 6 Hyperostosis was found to develop more slowly or ceased formation in animals fed diets containing lower levels of vitamin A and D. 6 On necropsy, affected tamanduas were shown to have extensive soft tissue calcification, which has been shown to occur in other species due to hypervitaminosis D. [4][5][6] The tamandua of the present report did not show gross soft tissue mineralization or calcification on radiography. There is little known on the calcium and vitamin D metabolism in tamandua; however, our management of this individual with documented periosteal hyperostoses and concurrent hypervitaminosis D that subsequently resolved after eliminating the high source of vitamin D and normalized vitamin D concentration is a strong case of cause and effect.…”

Section: Commentsmentioning

confidence: 99%

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Kiefer

Hostnik

Junge

2022

javma

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Section: Commentsmentioning

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Section: Commentsmentioning

confidence: 99%

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Kiefer

Hostnik

Junge

2022

javma

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“…However, little reports existed on non-infectious diseases of the agouti. Imbalances in vitamin D have been highlighted (Kenny et al, 1993;Anderson et al, 2018) but there is a dearth of information on non-infectious reproductive diseases. Dystocia has been reported in other domesticated rodents such as the guinea pig (Cavia porcellus) (Minarikova et al, 2015), and chinchilla (Chinchilla lanigera) (Saunders, 2009).…”

Section: Introductionmentioning

confidence: 99%

Reproductive diseases in captive Agoutis (Dasyprocta leporina)

2022

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Reproductive diseases have been well documented in domestic livestock such as sheep, goat, cattle and pigs. However, there is very little information on these diseases in the agouti (Dasyprocta leporina). The agouti is used for its meat in South America and the Caribbean. More recently, intensive farming of this animal is being practiced in the Neotropics. There is dearth of information on dystocia and vaginal prolapses in the agouti. This document reports on three cases of reproductive diseases in captive reared agoutis in Trinidad and Tobago. The first case was a female agouti weighing approximately 3 kg that was in the last stage of pregnancy, which was found dead in its cage. The vulva of the mother had the protruding hind-limbs of the fetus. Necroscopic evaluation of carcass revealed little fat tissue and the mother had two fetuses in the right horn of the uterus. Each fetus weighed approximately 200 g. The fetuses were well formed with fur, teeth and eyes. The placenta was attached to each fetus. The pathological findings suggested that dystocia resulted from secondary uterine inertia which was the cause of death of the adult female agouti. The second case was that of an adult female agouti weighing 2.5 kg. This female had given birth to an offspring three weeks prior and was observed to have had a vaginal prolapse. Surgery was performed and the prolapsed vagina was placed back into the pelvic cavity. Further to this intervention, the vagina prolapsed twice. Subsequent to the re-insertion of the vaginal tissue the agouti was euthanized. The third case was also that of a dystocia. However, the fetuses weighed 235 g and 165 g respectively and were in normal presentation, posture and positioning. The fetus however was unable to pass via the vagina and was trapped in the pelvic cavity. This caused secondary uterine inertia which was the cause of death. The causes of reproductive diseases in these cases are unknown but the feeding management and space allowance given to the agouti in late gestation may be contributing factors.

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“…However, little reports existed on non-infectious diseases of the agouti. However, imbalances in vitamin D have been highlighted [35,36]. There is a dearth of information on non-infectious reproductive diseases.…”

Section: Introductionmentioning

confidence: 99%

Dystocia in a Captive Reared Agouti (Dasyprocta leporina) in Trinidad and Tobago, West Indies

Jones

Lall

Garcia

2020

Veterinary Sciences

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Dystocia is a complication that occurs at parturition either due to foetal or maternal factors. This condition has been well studies in domesticated species. However, there is very little information on dystocia in the agouti (Dasyprocta leporina). The agouti is utilized for its meat in South America and the Caribbean. More recently, farming of these animals intensively is being practiced in the Neo-tropics. This case report attempted to provide some insight into dystocia in the agouti which has been rarely reported in animals in captivity. A female agouti weighing approximately 3 kg (kg), which was in the last stage of pregnancy, was found dead in its cage. The vulva of the animal had the hind-limbs of the offspring protruding. Upon necropsy the animal had little fat reserves and had two foetuses in the right horn of the uterus. The feet of on offspring were dislocated and exposed at the level of the vulva. Each foetus weighed approximately 200 g. The foetuses were well formed with fur, teeth and eyes. The placenta was attached to each of the foetuses. The pathological findings suggested that dystocia resulted in secondary uterine inertia, which was the cause of death of the adult female agouti. To prevent the recurrence of this situation the gestation should be staged (timed) using ultrasonography. Animals which are in their third stage of gestation should be monitored using cameras or with personnel at the facility to assist agoutis which are having difficulties at parturition.

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SUSPECTED HYPERVITAMINOSIS D IN RED-RUMPED AGOUTI (DASYPROCTA LEPORINA) RECEIVING A COMMERCIAL RODENT DIET

Cited by 6 publications

References 8 publications

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Reproductive diseases in captive Agoutis (Dasyprocta leporina)

Dystocia in a Captive Reared Agouti (Dasyprocta leporina) in Trinidad and Tobago, West Indies

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