What a barnyard puts in the way that a driveway does not
A driveway pour deals with weather and maybe a parked car. A barnyard pour deals with all of that plus animals that do not know or care that the ground in front of them is wet concrete, gates that need to stay usable for chores, mud and manure already worked into the ground by hooves and tractor tires, and a schedule built around feeding and milking that does not pause for a pour.
None of that changes what the concrete itself needs to cure right. It changes how carefully the site around it has to be managed while the concrete gets there and while it gains strength, and how much of the planning happens before the truck and the pump ever show up rather than on the day itself.
Keeping the pour clean and reaching it without driving through the middle of it
Fresh concrete looks solid within hours and is nowhere near ready to carry weight. A hoof crossing it early leaves a print that sets permanently, and it can crack or dent a surface that has not gained enough strength yet during curing. We fence or barricade a fresh pour the same way we would rope off any slab, and on a working farm that barrier has to actually hold, since animals will test a gap a person would just walk around. It stays up longer than it would on a house lot too, because heavier traffic, hooves and equipment included, needs longer off a new slab than bare feet ever would, the same way a jack stand or a loaded trailer tongue needs a floor that has had time to gain strength first.
Getting the concrete there without adding to the chaos is its own problem. A ready-mix truck loaded with several yards of concrete is not something you want threading through gates, around loose livestock, or across ground that is already soft from chores. Farm and barn slabs are exactly what our trailer-mounted pump was bought for. The truck stays outside on solid ground, at the gate or along the lane, and we run 2.5 or 3 inch hose the rest of the way in, through a gate, around a shed, or into a barn, at one steady pace instead of everyone waiting on wheelbarrows crossing wet, uneven ground. Most crews rent a pump when they need one; ours is a trailer pump we own and run ourselves.
Working the schedule around the animals, not against them
Chores and feeding do not stop because a pour is scheduled, so we would rather plan around them than compete with them. Tell us when animals move through the area, when they get fed, and whether anything has to happen in the barnyard that day regardless of the pour, and we will talk through the timing on the estimate visit.
Every barnyard runs a little differently, so this is not a one-size answer. What stays the same is the goal: get the concrete placed and protected without asking you to change how the farm runs any more than the pour actually requires. We would rather ask an extra question at the estimate visit than find out about a feeding schedule or a gate that has to stay open on pour day itself.