Complex sentence: In 1887, the first breeders' association was formed and in 1888 the first stallions were judged according to breed standard and the Cooperative Jutlandic Breeding Association was created.
Split into simpler sentences: In 1887, the first breeders' association was formed. The first stallions were judged according to breed standard in 1888, the same year the Cooperative Jutlandic Breeding Association was created.