Determination of internal organ weights in llamas and alpacas

C.K. Cebra; R.J. Bildfell; C.V. Löhr

Determination of internal organ weights in llamas and alpacas

In: South American camelids research

Authors:

C.K. Cebra

C.K. Cebra ¹Department of Clinical Sciences, Oregon State University College of Veterinary Medicine, 105 Magruder Hall, Corvallis, OREGON 97371, USA; christopher.cebra@oregonstate.edu

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R.J. Bildfell

R.J. Bildfell ²Department of Biomedical Sciences, Oregon State University College of Veterinary Medicine, 105 Magruder Hall, Corvallis, OREGON 97371, USA.

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, and

C.V. Löhr

C.V. Löhr ²Department of Biomedical Sciences, Oregon State University College of Veterinary Medicine, 105 Magruder Hall, Corvallis, OREGON 97371, USA.

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Type:: Chapter

Pages:: 233–236

DOI:: https://doi.org/10.3920/978-90-8686-576-5_028

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To investigate whether there were species or gender differences among organ weights in adult camelids, the first and second gastric compartments (forestomach), third gastric compartment, liver, and pancreas were collected and weighed post mortem from 2 female and 6 male alpacas and from 16 female and 7 male llamas. These camelids all were euthanized for reasons independent of this project. Organ weights, and organ weights as a proportion of total live body weight or forestomach weight were calculated and compared between camelids of different species and genders. No gender differences were found. Llamas had proportionally larger forestomach and smaller third gastric compartments, livers, and pancreata than alpacas. The ratio of pancreatic weight to forestomach weight was also greater in alpacas, whereas the ratio of pancreatic weight to hepatic weight was not different between species. These findings suggest that the forestomach compartment makes up a greater proportion and soft tissue a smaller proportion of total body weight in llama. This may affect factors such as medication dosages. These findings also suggest that camelids have a similar pancreatic mass to ruminants, which makes it unlikely that lack of islet cell mass is responsible for the relative lack of insulin production in camelids.

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South American camelids research

Volume 1

E-Book ISBN:: 9789086865765

Publisher:: Wageningen Academic

Print Publication Date:: 01 Nov 2006

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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Determination of internal organ weights in llamas and alpacas

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South American camelids research

Volume 1

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