Time of Processing Calves Subjected to Marketing and Shipping Stress

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Abstract
Three-hundred-fifty-eight calves subjected to the stresses of marketing and shipping were used to determine the effects of processing at point of origin, immediately upon arrival at final destination and at a delayed time dependent upon feed consumption reaching 2% of body weight. During a 4-week receiving period delayed processing resulted in lower feed consumption, lower rate of gain and a poorer feed conversion than processing either at point of origin or on arrival at final destination. This difference persisted throughout an entire feeding period of 342 days although time of processing had no effect upon performance during the post-receiving period. There was no relationship between time of vaccination and degree of immunity to Infectious Bovine Rhinotracheitis (IBR). Copyright © 1978. American Society of Animal Science . Copyright 1978 by American Society of Animal Science.

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