Factors of potential influence on different behavioural tests in fattening pigs

The present study aimed at isolating factors of potential influence on the Novel-Object Test (NOT), the Forced Human-Approach Test (FHAT), the Voluntary Human-Approach Test (VHAT) and the Human-Animal Relationship Test (HART) to draw conclusions about factors that should be considered when using these tests for the evaluation of the welfare level at different farms. Therefore, the NOT, FHAT, VHAT and HART were performed three times on ten...