The Spanish brought it when they came.
Cattle ranching started in Texas in the 1800s.
el paso Texas
All regions of Texas are good regions for cattle ranching, some more than others, like Central and Southeast Texas.
The Spanish
France
The original home of most longhorn cattle in Texas was the area known as the Texas Hill Country. This region, characterized by its rugged terrain and abundant grasslands, provided an ideal environment for the cattle to thrive. Longhorns were developed from the Spanish cattle brought to the Americas and adapted well to the local conditions. Their hardiness and unique features made them well-suited to Texas ranching.
It can be either Montana or Texas.
cattle
Vaqueros were horsemen and cattle herders of Spanish Mexico that came to America. They were quite common in Texas and California. They brought their style of cattle ranching to America.
cattle ranching provided meat/beef when cowboys led a herd of cattle to markets
Most dairy herds are raised in East to Central Texas, and probably some to the North. No dairy herds would be found in West Texas, since that's where the rougher country is found, country that is totally unsuitable for dairy farming, but perfect for cattle ranching.