when did the holstein cow come to america
Holstein Friesian cattle American breeders began to become interested in Holstein-Friesian cattle around the 1830s. Black and white cattle were introduced into the US from 1621 to 1664. The eastern part of New Amsterdam (present day New York) was the Dutch colony of New Netherland, where many Dutch farmers settled along the Hudson and Mohawk River valleys. They probably brought cattle with them from their native land and crossed them with cattle purchased in the colony. For many years afterwards, the cattle here were called Dutch cattle and were renowned for their milking qualities.
Dairy cattle The production of milk requires that the cow be in lactation, which is a result of the cow having given birth to a calf. The cycle of insemination, pregnancy, parturition, and lactation is followed by a "dry" period of about two months before calving, which allows udder tissue to regenerate. A dry period that falls outside this time frames can result in decreased milk production in subsequent lactation.[62] Dairy operations therefore include both the production of milk and the production of calves. Bull calves are either castrated and raised as steers for beef production or veal.