期刊
PREVENTIVE VETERINARY MEDICINE
卷 143, 期 -, 页码 11-20出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.prevetmed.2017.05.005
关键词
Newborn dog; Mortality prediction; Apgar score; Glucose; Rectal temperature; Lactate
Despite the high neonatal mortality rate in puppies, pertinent criteria for health evaluation of the newborns are not defined. This study was thus designed to measure and to characterize factors of variation of six health parameters in dog neonates, and to evaluate their value as predictors of neonatal mortality. A total of 347 purebred puppies under identical conditions of housing and management were examined within the first 8 h after birth and then at Day 1. The first health evaluation included Apgar score, weight, blood glucose, lactate and beta-hydroxybutyrate concentration, rectal temperature and urine specific gravity (SG). The second evaluation at Day 1 included the same parameters, excluding Apgar score and weight. The mortality rate over the first 24 h and over 21 days of age was recorded. The early predictors of neonatal mortality in the dog were determined with generalized linear mixed models and receiver operating characteristic curves analyses. An Apgar score at or below 6 evaluated within the first 8 h after birth was found associated with a higher risk of death during the first 24 h. A reduced glucose concentration (<= 92 mg/dI) at Day 1 was found to be associated with higher mortality between 1 and 21 days of age. Low-birth-weight puppies were characterized by both low viability (low Apgar score) and low blood glucose concentration, and thus were found indirectly at higher risk of neonatal mortality. This study promotes two low cost easy-to-use tests for health evaluation in puppies, i.e. Apgar scoring and blood glucose assay. Further investigation is necessary to establish if the strong relationship between blood glucose and neonatal survival reflects high energy requirements or other benefits from colostrum intake. (C) 2017 The Authors. Published by Elsevier B.V.
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