Handle the animals carefully the first time and it will be easier to handle them later. Squeezes that hurt cattles' necks make them more difficult to get back into the chute and headgate next time. A new experience can be a big stressor . Introduce new objects or situations slowly and they are attractive to the animal. Something that is novel can be attractive, but can also be a scary thing if it moves or comes at them quickly.
Livestock are sound sensitive .
Sounds usually signal danger. Whistles and yelling are strong stressors and only serve to work cattle up. Visually stock are sensitive to contrast and shadows . They don't want to go into an opening that appears as a dark hole. Handling areas need indirect lighting , not bright lights, shining into animals faces or casting deep shadows.