Trends in popularity of some morphological traits of purebred dogs in Australia.
Trends in popularity of some morphological traits of purebred dogs in Australia.
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DOI：
10.1186/s40575-016-0032-2
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发表时间：
2016-01-01
影响因子：
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通讯作者：
Dhand, Navneet K
中科院分区：
文献类型：
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作者：
Teng, Kendy T;McGreevy, Paul D;Dhand, Navneet K
背景：狗的形态可以提供有关其对某些疾病的易感性的信息。例如，较大的品种容易患髋关节发育不良和许多肿瘤疾病。因此，狗形态流行的纵向趋势可以揭示未来潜在的疾病普遍性。有关于特定品种和行为特征的受欢迎程度的报道，但尚未研究首选品种的形态特征的趋势。方法：本研究调查了澳大利亚纯种狗的身高、狗的大小和头部形状（头颅指数）的趋势。对 1986 年至 2013 年澳大利亚国家养犬委员会 (ANKC) 注册统计数据中的 181 个品种进行了分析。进行加权回归分析，通过使用这些特征作为结果变量，以年份作为解释变量，以注册狗的数量作为权重来检查特征的趋势。线性回归研究狗的身高和头颅指数（头骨宽度/头骨长度），多项逻辑回归研究狗的大小。 结果：ANKC 注册总数从 1986 年的 95,792 只逐渐减少到 2013 年的 66,902 只。加权最小身高（p = 0.014）和加权最大身高（p
BACKGROUND: The morphology of dogs can provide information about their predisposition to some disorders. For example, larger breeds are predisposed to hip dysplasia and many neoplastic diseases. Therefore, longitudinal trends in popularity of dog morphology can reveal potential disease pervasiveness in the future. There have been reports on the popularity of particular breeds and behavioural traits but trends in the morphological traits of preferred breeds have not been studied.METHODS: This study investigated trends in the height, dog size and head shape (cephalic index) of Australian purebred dogs. One hundred eighty-one breeds derived from Australian National Kennel Council (ANKC) registration statistics from 1986 to 2013 were analysed. Weighted regression analyses were conducted to examine trends in the traits by using them as outcome variables, with year as the explanatory variable and numbers of registered dogs as weights. Linear regression investigated dog height and cephalic index (skull width/skull length), and multinomial logistic regression studied dog size.RESULTS: The total number of ANKC registration had decreased gradually from 95,792 in 1986 to 66,902 in 2013. Both weighted minimal height (p=0.014) and weighted maximal height (p