Peer-reviewed veterinary case report
Collie Eye Anomaly found in Australian Kelpie dogs in Poland
By Kucharczyk, Natalia et al.·Published in BMC veterinary research·2019·Viva Veterinary Clinic·View original on PubMed →
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Original publication title: Collie Eye Anomaly in Australian Kelpie dogs in Poland.
- Species:
- dog
Plain-English summary
A young female Australian Kelpie in Poland was found to have eye problems during a routine check-up before breeding. The vet discovered signs of choroidal hypoplasia, which is a genetic eye condition known as Collie Eye Anomaly. A DNA test confirmed that she carried the gene mutation responsible for this condition. Following her diagnosis, 21 related dogs were tested, revealing that her mother also had the condition and several others were carriers. This highlights the importance of genetic testing for breeders to prevent passing on this eye problem.
People also search for: Australian Kelpie eye problems · Collie Eye Anomaly in dogs · genetic testing for dog breeders
Abstract
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.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/31684941/