Heritability estimations of osteochondrosis in the tibiotarsal joint and of bony fragments in the palmar/plantar portion of the metacarpo- and metatarsophalangeal joints of horses.
Heritability estimations of osteochondrosis in the tibiotarsal joint and of bony fragments in the palmar/plantar portion of the metacarpo- and metatarsophalangeal joints of horses.
复制标题
马的胫跗关节中的骨软骨病和掌骨和跖趾关节的掌/足底部分的骨碎片的遗传力估计。
DOI：
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发表时间：
1993
期刊：
影响因子：
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通讯作者：
N. I. Dolvik
中科院分区：
文献类型：
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作者：
Grøndahl Am;N. I. Dolvik
对1988年出生的753只6 ~ 21个月龄的标准猪蹄进行胫跗关节、掌跖关节和跖趾关节X线摄影。被调查的人群是从挪威各地随机抽取的，约占同年出生的标准猪蹄的60%。在108匹（14.3%）马中诊断出胫跗关节骨软骨病，> 10的后代组的患病率范围为0至69%。在89匹（11.8%）马中诊断出掌骨和跖趾关节掌/足底部分的骨碎片，后代组> 10的患病率范围为0至41%。遗传力分析仅限于644匹马，包括5个或更多的后代，从39种马。采用非线性模型，估计胫跗关节骨软骨病和掌骨和跖趾关节掌/跖部骨碎片的遗传率分别为0.52和0.21。
Radiography of the tibiotarsal and metacarpo- and metatarsophalangeal joints was performed on 753 Standardbred trotters (6 to 21 months old) born in 1988. The surveyed population was drawn at random from all parts of Norway and represented about 60% of Standardbred trotters born the same year. Osteochondrosis in the tibiotarsal joint was diagnosed in 108 (14.3%) horses, and the prevalence of disease in progeny groups > 10 ranged from 0 to 69%. Bony fragments in the palmar/plantar portion of the metacarpo- and metatarsophalangeal joints were diagnosed in 89 (11.8%) horses, and the prevalence of disease in progeny groups > 10 ranged from 0 to 41%. Heritability analysis was restricted to 644 horses, comprising groups of 5 or more progeny, from 39 stallions. The heritabilities of osteochondrosis in the tibiotarsal joint and of bony fragments in the palmar/plantar portion of the metacarpo- and metatarsophalangeal joints were estimated to be 0.52 and 0.21, respectively, using a nonlinear model.