Table 5 Description of the recorded behaviors by Leruste et al.46 and Abdelfattah et al.47.

From: Effects of group housing and incremental hay supplementation in calf starters at different ages on growth performance, behavior, and health

Behaviors

Description

Standing

Standing with all four feet on the ground without any purposeful activity

Lying

Lying on flank or sternum with head held in a raised position or down without rumination

Eating

Ingesting starter from feed bunk or head was in the feed bunk and ingesting milk

Drinking

Drinking water from water trough

Ruminating

Irregular, repetitive chewing without discernible food in the mouth either lying or standing

Non-nutritional oral behavior

Biting, nibbling, sucking or licking any pen structures, except for feed; manipulating a penmate including sucking or bitting a part of the body of a penmate; consuming bedding materials, and calf rolling its tongue outside the mouth