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In two studies on overcrowding and foot lesion development, claw health was monitored monthly, and behavioural activities such as lying/standing observed every 15 min for 5 consecutive days and nights each month of the housing season. In the first experiment, 35 autumn-calving heifers were housed at a 2:1 heifer to cubicle ratio immediately after calving.(More)
Since 1994, Irish cattle have been exposed to greater risks of acquiring Mycobacterium avium subspecies paratuberculosis (MAP) infection as a consequence of the importation of over 70,000 animals from continental Europe. In recent years, there has been an increase in the number of reported clinical cases of paratuberculosis in Ireland. This study examines(More)
Spring-calving Friesian heifers were randomly allocated either to Dutch Comfort cubicles (2130 x 1160 mm) bedded with rubber mats or to modified Newton Rigg cubicles (2060 x 1090 mm) without bedding. Their behavioural activities, including lying down and standing, were monitored every 30 minutes for two days and two nights each week from November to March,(More)
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