Jackson has sired several litters now. He has been semen tested and is extremely fertile. He is pde tested and is N/N (clear) and also tested for pkd - also N/N (clear). He comes from excellent lines, father is Captain Jack, mother is a Latv.... Jackson has sired several litters now. He has been semen tested and is extremely fertile. He is pde tested and is N/N (clear) and also tested for pkd - also N/N (clear). He comes from excellent lines, father is Captain Jack, mother is a Latv....