Parturition and Obstetrics

Rodriguez, Jacobo S.; Pearson, Lisa K.; Tibary, Ahmed

doi:10.1016/b978-1-4377-2352-6.00024-9

Cited by 2 publications

(2 citation statements)

References 18 publications

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“…Common findings in the placenta of New World camelids are hippomanes in the allantoic cavity and small, firm pustules or plaques at the base of the umbilical cord, on the amniotic membrane (Morton, ; Pearson, Rodriguez, & Tibary, , ; Rodriguez, Pearson, & Tibary, ).…”

Section: Introductionmentioning

confidence: 99%

Macroscopic evaluation of the placenta of the alpaca (Vicugna pacos)

Meesters

Opsomer

Govaere

2019

Reprod Domestic Animals

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Macroscopic evaluation of the placenta is an essential post‐partum examination in the alpaca and can be of special interest in case of abortion, premature birth or stillbirth. Since there are not many reference values regarding macroscopic properties of normal alpaca placentas, a small descriptive study was conducted. Only placentae from normally foaling alpaca mares, giving birth to healthy crias, after a full‐term and uneventful gestation (±350 days; range 335–360 days) were taken into account (N = 11). Crias weighed (±SD) 7.7 ± 2.25 kg (range 5.5–10 kg), while the mean weight of the full‐term placentas was 0.8 ± 0.19 kg, that is 10% of the bodyweight of the crias. The weight of the allantoamnion and chorion was 0.2 ± 0.07 kg and 0.5 ± 0.13 kg, respectively. The umbilical cord length was 8.8 ± 2.84 cm, and the length of the pregnant and non‐pregnant uterine horns was 69.4 ± 12.77 cm and 54.5 ± 6.81 cm, respectively. The length of the corpus was 14.6 ± 4.68 cm, and the distance from the umbilicus to the corpus was 18.5 ± 6.13 cm. The tissue volume of the allantoamnion was 0.14 ± 0.079 L, and the chorionic volume was 0.37 ± 0.078 L. The surface area of the allantoamnion and the chorion was 87.6 ± 15.56 dm2 and 72.3 ± 9.28 dm2, respectively. All placentas had small calcifications either around the umbilical cord alone or around the umbilicus and blood vessels of the pregnant uterine horn. These measurements could be used to macroscopically evaluate alpaca placentas, although more research is needed to extend our knowledge of macroscopic evaluation of normal and abnormal placentas.

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Section: Introductionmentioning

confidence: 99%

Macroscopic evaluation of the placenta of the alpaca (Vicugna pacos)

Meesters

Opsomer

Govaere

2019

Reprod Domestic Animals

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“…Dystocia can be of maternal or foetal origin (Rodriguez et al, 2014), with the latter being the leading cause of pregnancy complications in this study. Dystocia is influenced by the number of previous births, gestational age, and foetus birth weight (Stockinger et al, 2011).…”

Section: Discussionmentioning

confidence: 87%

Pregnancy complications in wild vervet monkeys in an urban mosaic landscape

Pillay,

Downs

2024

Afr J Ecol

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Vervet monkeys (Chlorocebus pygerythrus) are a widespread, typically seasonally breeding African primate. We report pregnancy complications in wild females in the urban mosaic landscape of Durban, South Africa, that required admittance to a wildlife rehabilitation centre. We found pregnancy complications in 13 female vervet monkey adults and subadults, with most cases (69.2%) in spring. Dystocia (difficult or obstructed labour) was the main cause of admission (46.2%), and in 69.2% of cases, a veterinarian attended to the animal. However, most pregnancy complications resulted in death (86.6%). Concerns about increased anthropogenic food causing increased birth size need further investigation.

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Parturition and Obstetrics

Cited by 2 publications

References 18 publications

Macroscopic evaluation of the placenta of the alpaca (Vicugna pacos)

Macroscopic evaluation of the placenta of the alpaca (Vicugna pacos)

Pregnancy complications in wild vervet monkeys in an urban mosaic landscape

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