Wear of permanent incisors with age on commercial Australian Angora goat farms

McGregor, Bruce and Butler, K.L. 2015, Wear of permanent incisors with age on commercial Australian Angora goat farms, Australian veterinary journal, vol. 93, no. 1-2, pp. 36-39, doi: 10.1111/avj.12280.

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Title Wear of permanent incisors with age on commercial Australian Angora goat farms
Author(s) McGregor, BruceORCID iD for McGregor, Bruce orcid.org/0000-0002-4574-4236
Butler, K.L.
Journal name Australian veterinary journal
Volume number 93
Issue number 1-2
Start page 36
End page 39
Total pages 4
Publisher Wiley
Place of publication Chichester, Eng.
Publication date 2015-01
ISSN 1751-0813
Keyword(s) Angora goats
broken mouth
permanent incisor wear
Age Factors
Animal Husbandry
Goat Diseases
Tooth Wear
Summary OBJECTIVE: To quantify if, and to what extent, permanent incisor wear differed with age of goat and farm of origin on commercial Australian Angora goat farms. DESIGN: Observations were made on three Angora goat farms in the wheat-sheep zone of Victoria, each managed according to the farmer's practices. Farmers provided a representative flock of does. METHODS: The proportion and pattern of wear of permanent incisors were recorded and percentage wear calculated. After log(y + 10) transformation, a parsimonious general linear model was developed to relate wear to farm and age, with age considered as a continuous variate. RESULTS: The range in wear of the permanent incisors was 0-100%. For each farm, the most parsimonious model for permanent first incisor wear and average wear of all permanent incisors was a separate straight line relating the transformed incisor wear to the age of doe. The models accounted for 66-73% of variance. On each farm the incisor wear was similar and low for ages up to approximately 4 years. On all farms, the amount of incisor wear increased dramatically with age, although the rate of increase differed with each farm. CONCLUSIONS: Permanent incisor wear increased with age of goat and differed with farm of origin. Angora goat farmers need to be aware of the potential for incisor wear to affect doe production and health.
Language eng
DOI 10.1111/avj.12280
Field of Research 070202 Animal Growth and Development
Socio Economic Objective 830304 Goats
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069687

Document type: Journal Article
Collection: Institute for Frontier Materials
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