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Volume 48, Number 2-3 >

Indices for nutritional condition and thresholds for winter survival in sika deer in Hokkaido, Japan

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Title: Indices for nutritional condition and thresholds for winter survival in sika deer in Hokkaido, Japan
Authors: YOKOYAMA, Mayumi Browse this author
UNO, Hiroyuki Browse this author
SUZUKI, Masatsugu Browse this author
KAJI, Koichi Browse this author
OHTAISHI, Noriyuki Browse this author
Keywords: Cervus nippon
fat index
logistic regression model
probability of survival
winter-killed deer
Issue Date: 30-Nov-2000
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 48
Issue: 2-3
Start Page: 119
End Page: 127
Abstract: We derived fat indices for sika deer (Cervus nippon yesoensis) in eastern Hokkaido, Japan, and estimated the probability of over-winter survival with a logistic regression model using fat indices. Kidney fat mass (KFM) appears to be an adequate index of wide range of physical conditions before the onset of severe nutritional stress. When KFM values fell below 20g, femur (FMF) and mandible cavity fat (MCF) indices declined sharply. FMF and MCF were useful indices for detecting malnourished deer. A logistic regression model describes survival thresholds in two bone fat indices for calves (45%) and three fat indices for adult females (FMF=25%, MCF=30%, KFM=20g). These models are useful for estimating the probability of winter survival in Hokkaido sika deer.
Type: bulletin (article)
Appears in Collections:Japanese Journal of Veterinary Research > Volume 48, Number 2-3

Submitter: 獣医学部図書室

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