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Testing Inner-Mesowear III on goats (Capra aegagrus hircus) fed experimental diets


Stauffer, Julian B; Clauss, Marcus; Müller, Dennis W H; Hatt, Jean-Michel; Ackermans, Nicole L (2019). Testing Inner-Mesowear III on goats (Capra aegagrus hircus) fed experimental diets. Annales Zoologici Fennici, 56(1-6):85-91.

Abstract

The wear patterns on ungulate’s teeth help to understand dietary habits during an individual’s lifetime. Mesowear is a series of techniques used to detect tooth wear patterns at low magnification. While in mesowear I, and its simplified version mesowear II, the outer profile of a herbivore’s molar cusps is observed to assign a diet, mesowear III (or inner-mesowear) scores the wear facets on the inner enamel band of the tooth. This approach was developed to detect finer dietary signals for shorter periods than the two former mesowear methods. We tested this method on skulls of 26 goats (Capra aegagrus hircus) fed different diets for six months, for which mesowear I and II had already been scored. Our goal was to explore the effects of diets with varying abrasiveness on the dietary signal, comparing signals recorded with both techniques. We found no dif- ferences in mesowear III signals among diets, regardless of visible tendency of more abrasive diets leading to higher mesowear scores. We also found no difference in time resolution between mesowear III and I.

Abstract

The wear patterns on ungulate’s teeth help to understand dietary habits during an individual’s lifetime. Mesowear is a series of techniques used to detect tooth wear patterns at low magnification. While in mesowear I, and its simplified version mesowear II, the outer profile of a herbivore’s molar cusps is observed to assign a diet, mesowear III (or inner-mesowear) scores the wear facets on the inner enamel band of the tooth. This approach was developed to detect finer dietary signals for shorter periods than the two former mesowear methods. We tested this method on skulls of 26 goats (Capra aegagrus hircus) fed different diets for six months, for which mesowear I and II had already been scored. Our goal was to explore the effects of diets with varying abrasiveness on the dietary signal, comparing signals recorded with both techniques. We found no dif- ferences in mesowear III signals among diets, regardless of visible tendency of more abrasive diets leading to higher mesowear scores. We also found no difference in time resolution between mesowear III and I.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Uncontrolled Keywords:Ecology, Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation
Language:English
Date:26 November 2019
Deposited On:03 Jan 2020 15:22
Last Modified:03 Jan 2020 15:24
Publisher:Finnish Zoological and Botanical Publishing Board
ISSN:0003-455X
OA Status:Closed
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.5735/086.056.0108
Project Information:
  • : FunderSNF
  • : Grant ID31003A_163300/1
  • : Project Title

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Language: English
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Embargo till: 2020-11-26