Alan Spavin was born in 1942.
Yes, bone spavin may cause a horse's hip to drop when he walks. Bone spavin is osteoarthritis and the final phase of degenerative joint disease.
Alan Alan was born in 1926-11.
Alan Michael was born in 1967.
Alan John was born in 1958.
Bog spavins alone won't make a horse unrideable, but sometimes they are symptoms of a problem deeper down in the hock. In this case, the horse would be unrideable- not because of the bog spavin, but because of the problem that caused it.
Alan Davies was born on March 6, 1966.
Alan Green was born on June 25, 1952.
Alan Pentland was born on 1883-10-03.
Alan Whittle was born on 1950-03-10.
Alan Browne was born in 1974.
Alan Dunn was born in 1961.
Alan Hays was born in 1946.