What people say about working at DEER VALLEY UNIFIED SCHOOL DISTRICT. 1  Working for the School District A job with the school district is an excellent way to work a steady job with benefits (full-time employees).
Holstein, Iowa. Holstein is a city in Ida County, Iowa, United States. The population was 1,396 in the 2010 census, a 5% decline from 1,470 in the 2000 census. Contents.
Holstein cows typically calve for the first time when they are 23 to 26 months of age, with healthy calves weighing an average of 80 to 100 pounds at birth. Holsteins have a gestation period of nine months. Holstein cows give more milk than any other dairy breed in the U.S. The average Holstein cow produces around 23,000 pounds of milk, or 2,674 gallons, of milk each lactation. With a standard lactation lasting 305 days, that comes out to 75 pounds, or almost 9 gallons of milk per cow per day.