Analýza chování jalovic v průběhu odchovu

The aim of the bachelor thesis is to find out and compare the behaviour of heifers of different age during rearing. Monitoring of heifers was carried out at Agriprod ltd., the company with Holstein and Czech Fleckvieh breeding dairy cattle. Monitoring was carried out for 24 hours with 5 minutes intervals. Observed behaviour included feed intake, rest, standing, movement and comfort behaviour. The average age of groups was 4.3 months (group 1), 11.0 months (group 2), 17.5 months (group 3) and 23.0 months (group 4). Lengths of basic categories of behaviour varied according to the age of animals. The feed intake time was 7.5 hours for the first group, 5.7 hours for the second group, 3.7 hours for the third group and 1.3 hours for the last fourth group. The average length of the rest category by the age groups was: 13.4 hrs, 14.7 hrs, 13.4 hrs, 12.3 hrs. Differences have been also discovered in the manifestations of comfort behaviour