Wait until the single file chute to the squeeze is almost empty before refilling. The crowd gate is used to follow the cattle, not to shove up against them. If a lone animal refuses to move, release it and bring it back with another group. An animal left alone in a crowding pen will become agitated and may attempt to jump the fence to rejoin its herdmates. Response to Light Uniform lighting is important.
Cattle avoid shadows.
Striped shadows and contrasting patterns will cause balking. Cattle in the dark will move towards the light. If you are loading at night, use frosted light to shine into the truck. Avoid glare in their faces. Livestock tend to balk if they have to look into the sun.