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New Jersey Agricultural Experiment Station2
Abstract
Early in the active operation of New Jersey's first Cooperative Artificial Breeding Unit, a plan of constructive breeding was arranged. This plan included an agreement that Rutgers University through its Dairy Research Station should furnish related superior proved sires and some unproved sires of similar blood lines as a source of semen. The bulls were approved after selection by a committee on a lease basis. Sires that had five or more daughters were leased at the rate of three dollars per acceptable semen sample. Bulls that were partly proved, i.e., had one or more promising milking daughters, were paid for at the rate of two dollars per acceptable semen sample. Unproved bulls were sometimes leased at one dollar per sample, and very young sires were loaned outright without compensation. The Breeding Unit was responsible for feed and for housing and management of the sires. The method of arriving at a rate of lease was based upon a rental rate approximately high enough to permit the writing off of the appraised value of the bull in three to five years, when semen collections were made from 50 to 75 times a year.
1 Journal Series paper of the New Jersey Agricultural Experiment Station, Rutgers University, department of dairy husbandry.
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