Function, size and form of the gastrointestinal tract of the collared Pecari tajacu (Linnaeus 1758) and white-lipped peccary Tayassu pecari (Link 1795)

Schwarm, Angela; Ortmann, Sylvia; Rietschel, Wolfram; Kühne, Ragnar; Wibbelt, Gudrun; Clauss, Marcus

doi:10.1007/s10344-009-0348-2

Cited by 20 publications

(10 citation statements)

References 30 publications

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“…Relative liver mass of the collared peccary was 1.6% of the total body mass (Schwarm et al., ). These data agree with the results obtained in the current research, which demonstrate small dimensions of the liver in this species.…”

Section: Discussionmentioning

confidence: 99%

Abdominal Exploration in Captive Collared Peccaries (Tayassu tajacu) by Ultrasonography

Peixoto

Oliveira

Alves

et al. 2012

Anat Histol Embryol

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This study determines the morphology and ultrasound features of the abdominal organs in male, nestling and healthy collared peccaries. The bladder wall is hyperechogenic, with a thickness of 0.2 ± 0.08 cm. The kidneys present a well-defined cortex, medulla and pelvis, and the dimensions are 2.56 ± 0.3 × 4.6 ± 0.8 cm for the left and 2.51 ± 0.4 × 4.86 ± 1.1 cm for the right kidney. The spleen has a uniform echotexture over its entire surface. The largest dimensions of the liver are 2.0 ± 0.57 cm for the left lobe and 1.42 ± 0.66 cm for the caudate lobe. The liver presents a homogeneous echotexture in the majority of cases, but sometimes some hyperechoic spots are present. The stomach wall has a thickness of 0.42 ± 0.28 cm. The bowel loops show alternate hyperechoic and hypoechoic layers with a uniform diameter and a wall thickness of 0.19 ± 0.07 cm.

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Section: Discussionmentioning

confidence: 99%

Abdominal Exploration in Captive Collared Peccaries (Tayassu tajacu) by Ultrasonography

Peixoto

Oliveira

Alves

et al. 2012

Anat Histol Embryol

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“…This difference is believed to be affected by actual body size and feeding behavior [23]. Additionally, the significant increase of tunica muscularis imply the necessity of increasing surface region for the accurate arrangement of the flexible muscle tissue creating spaces for soft inner parts [7, 17]. Evidently, the metabolic activities require the effectiveness of the chemical and the mechanical process, therefore the smooth muscle fibers are needed for successfully adaptation [17].…”

Section: Discussionmentioning

confidence: 99%

Comparative Gastric Morphometry of Muong Indigenous and Vietnamese Wild Pigs

Trang

Ooi

Zuki

et al. 2012

The Scientific World Journal

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It is hypothesized that despite sharing a similar habitat, the Muong indigenous and Vietnamese wild pigs may reveal different gastric morphology. Due to the protective nature of procuring these pigs, a total of 12 Muong indigenous pigs and nine Vietnamese wild pigs stomach collected post mortem were analysed for selected biometric parameters and histology. The result indicated that the stomach of the Vietnamese wild pig is broader with a bigger capacity and greater proportion of proper gastric glands. Interestingly, the stomach mass correlated well with live body weight in both breeds apart from possessing similar histomorphometry of the gastric gland regions. On the other hand, the thicker (P < 0.05) submucosa in the Vietnamese wild pig is attributed to the presence of numerous loose connective tissues, abundant blood vessels, adipose tissues and nerve plexus. The appearance of lymphoid follicles underneath the tubular gastric glands in the Vietnamese wild pig exceeded that of Muong indigenous pigs. This finding suggested that the difference in feeding behavior as well as immunity. In conclusion, adaptations found in the Vietnamese wild pig indicated that this breed is equipped with a bigger and effectively functional stomach to suit its digestive physiology and immunity in the wild.

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“…Another reason might be that regardless of the theoretical recommendations and the related similarity with horses, the lack of accessible visualisations of digestive anatomy makes an intuitive understanding of such recommendations more difficult, in contrast to other herbivores for which there is plenty of corresponding information (e.g. in the large compilation of Stevens and Hume 1995; or in individual studies such as Clauss et al 2007;Schwarm et al 2010). Therefore, one aim of this communication is to provide a graphic depiction of the gastrointestinal tract of tapirs, in order to facilitate an easy, visual comparison with other herbivores.…”

Section: Introductionmentioning

confidence: 97%

The macroscopic intestinal anatomy of a lowland tapir (Tapirus terrestris)

et al. 2014

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Tapirs are the only group among the perissodactyls for which no recent description of the gastrointestinal tract (GIT) exists. Historical depictions of the GIT of tapirs suggest a similarity to the GIT of equids, but do not resolve the question whether the isthmus at the caeco-colical junction, and at the transition from the proximal colon to the colon transversum-both evident in horses-occur in tapirs as well.Here, we describe the macroscopic anatomy of the GIT of a captive, adult lowland tapir (Tapirus terrestris). While similar to equids in terms of the overall design and, in particular, the two mentioned isthmuses, the proximal colon of the tapir appeared less pronounced than in other perissodactyls, resulting in a GIT in which the caecum appeared as the most voluminous fermentation chamber. This finding is supported by the particular location of the ileo-caecal junction, which does not visibly separate the caecum from the colon, or the caecum head from the caecum body, but enters the caecum body in its upper third.

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Function, size and form of the gastrointestinal tract of the collared Pecari tajacu (Linnaeus 1758) and white-lipped peccary Tayassu pecari (Link 1795)

Cited by 20 publications

References 30 publications

Abdominal Exploration in Captive Collared Peccaries (Tayassu tajacu) by Ultrasonography

Abdominal Exploration in Captive Collared Peccaries (Tayassu tajacu) by Ultrasonography

Comparative Gastric Morphometry of Muong Indigenous and Vietnamese Wild Pigs

The macroscopic intestinal anatomy of a lowland tapir (Tapirus terrestris)

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