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Published online by Cambridge University Press: 24 November 2017
The trade between European community (EC) countries involving the transportation of live calves has, with the advent of 1993, considerably increased. In the UK alone, thousands of calves are transported on lorries and ferries and exported to other EC countries each year. An increase in the incidence of ‘shipping fever’, the general classification in American feedlots for bacterial or viral respiratory infections in cattle, has been observed following transportation. Further observations have shown an increased disease susceptibility following transportation and research has suggested that this is due to immunosuppression. An experiment was designed to investigate the effects of transportation and other normal husbandry variables on their ability to mount antibody responses to a specific antigen in suckler calves.