BMC veterinary research · 2019
Collie Eye Anomaly in Australian Kelpie dogs in Poland.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Kucharczyk Natalia, Cislo-Pakuluk Anna, Bedford Peter
Аннотация
BACKGROUND: To report the occurrence of choroidal hypoplasia in the Australian Kelpie breed in Poland, the affected dogs testing positive for the Collie Eye Anomaly NHEJ1 gene mutation.
CASE PRESENTATIONS: Choroidal hypoplasia (CH) was initially diagnosed in a young female Australian Kelpie presented for routine ophthalmological examination prior to breeding. Indirect ophthalmoscopy revealed tigroid fundi bilaterally with areas of abnormally arranged choroidal vasculature temporal to the optic disc. These lesions had the appearance of the choroidal hypoplasia diagnostic for Collie Eye Anomaly, a genetically determined disease seen most commonly in Collie types. The DNA based test for the NHEJ1 gene mutation that is confirmatory for Collie Eye Anomaly proved the dog to be homozygous for this mutation. Twenty one other related dogs were subsequently examined genetically, the dam proving to be affected and eight others were shown to be carriers.
CONCLUSIONS: This report demonstrates that Collie Eye Anomaly is present in a Polish bred Australian Kelpie line and as such breeders in this country and those importing dogs or semen internationally should be aware of other possible cases.
CASE PRESENTATIONS: Choroidal hypoplasia (CH) was initially diagnosed in a young female Australian Kelpie presented for routine ophthalmological examination prior to breeding. Indirect ophthalmoscopy revealed tigroid fundi bilaterally with areas of abnormally arranged choroidal vasculature temporal to the optic disc. These lesions had the appearance of the choroidal hypoplasia diagnostic for Collie Eye Anomaly, a genetically determined disease seen most commonly in Collie types. The DNA based test for the NHEJ1 gene mutation that is confirmatory for Collie Eye Anomaly proved the dog to be homozygous for this mutation. Twenty one other related dogs were subsequently examined genetically, the dam proving to be affected and eight others were shown to be carriers.
CONCLUSIONS: This report demonstrates that Collie Eye Anomaly is present in a Polish bred Australian Kelpie line and as such breeders in this country and those importing dogs or semen internationally should be aware of other possible cases.