Table 3.

Comparison of ages at onset and death or euthanasia for Australian Cattle Dogs, Border Collies, and Golden Retrievers with NCL

Breed	Number of Dogs	Causal Mutation	Location	Age at Onset, Months	Age at Death or Euthanasia, Months	Reference
Australian Cattle Dog	4	CLN5:c.619T	United States	12–19	15–26	Current report
Australian Cattle Dog	4	Unknown	United States	12–14	18–26	16, 30
Border Collie	23	Unknown	Australia	16–23	18–29	33
Border Collie	1	Unknown	United States	27	29	34
Border Collie	27	CLN5:c.619T	Japan	15–20	23–32	36
Golden Retriever	4	CLN5:c.934_935delAG	United States	13–17	30–34	7