It wasn't cloned using sperm, but it doesn't mention the age of the original horse the DNA was collected from, just that it was collected 42 years ago.
> A California zoo has announced the birth of a critically endangered horse, a clone created with DNA preserved for 42 years.
I'm no biologist, but if I had to guess I wouldn't think the age of the original specimen matters much in this case.
MOOSExDREWL t1_j6auhlq wrote
Reply to comment by megapillowcase in California zoo clones critically endangered horse using 42-year-old DNA by speckz
It wasn't cloned using sperm, but it doesn't mention the age of the original horse the DNA was collected from, just that it was collected 42 years ago.
> A California zoo has announced the birth of a critically endangered horse, a clone created with DNA preserved for 42 years.
I'm no biologist, but if I had to guess I wouldn't think the age of the original specimen matters much in this case.