IPA: /ˈhoʊlstaɪn/
KK: /ˈhoʊlˌstaɪn/
A breed of large dairy cattle known for their distinctive black and white coloring, originally from northern Holland and Friesland, and known for producing a lot of milk.
The farmer decided to raise Holstein cows because they are excellent milk producers.
Holstein originates from the name of a region in Germany, specifically Holstein, which means 'the land of the Holst' (from Old High German *holtz*, meaning wood or forest). The term is used to refer to a breed of dairy cattle that originated from this region.
Think of the region 'Holstein' in Germany, which is known for its dairy cattle — that's why 'Holstein' refers to this specific breed.