As we have mentioned elsewhere on this website, the success of humane slaughter is dependent on good animal handling so animals are slaughtered in an unstressed state.
Sheep and goats have specific behavior characteristics, which must be taken into consideration when they are being moved.
Handling systems must be designed and operated so they:

Use solid sides in chutes and crowd pens leading up to chutes. Solid sides in these areas help prevent animals from becoming agitated when they see activity outside the fence—such as people, eratic movements or other animals. The gate on the crowd pen should also be solid to prevent animals from attempting to turn back towards the holding pens.
Use lighting to your advantage. Lighting should be diffuse. It’s important to prevent bright glaring lights or lights that cast shadows that can cause balking. Remember:
Eliminate visual distractions. Get down in the chutes to see them from the animals’ perspective.
Non-slip flooring is essential. Humane, efficient handling is very difficult on slick floors because animals can become agitated and excited when they lose their footing. All areas where livestock walk should have a non-slip surface.
Gates, fences and chutes should have smooth surfaces to prevent bruises. Sharp edges and protruding objects with a small diameter—such as angle irons, exposed pipe ends and channels—will cause bruises.
Redirect air flow and noise. Air hissing and ventilation drafts blowing in the faces of approaching animals can seriously impede movement. Ventilation systems may need to be adjusted. Animals are very sensitive to noise. High-pitched motors, clanging and banging metal, and hissing air should be muffled. Playing a radio in the finishing barn may get the animals accustomed to different kinds of sounds.
Provide the correct restraint. Generally, the most calming entrance to the processing room and to the slaughter restraint is a chute with solid sides that prevent stressful distractions and keep both workers and animals secure and safe. The chute floor should be a non-slip surface that is clear of supports or protruding edges that could cause stumbling or injury.
The entrance to the restraint should be similar to the chute, and the animal should enter willingly, without prodding. Any motion of the restraint should be quiet and keep the animals secure. In most cases restraining the animal in an upright, comfortable position before slaughter is preferred.

The device needs to apply sufficient pressure to provide the sensation of being securely held, but not excessive pressure that would cause pain or discomfort. Head-holding devices should avoid excessive bending of the animal’s neck.

Timing is important. The slaughter needs to be performed within 30 seconds of the animal entering the restraint to prevent the animal from feeling isolated and stressed. The knife must be properly sharpened—the sharper the knife, the better the cut. At a minimum, the straight blade should be twice as long as the width of the animal’s neck. This prevents pain during the cut. Excessive bending of the neck is unnecessary and should be avoided as it may cause pain or agitation.

A swift cut with a precisely sharpened knife is best, resulting in the same type of sharp cut we humans sometimes experience – where it is only the sight of blood that makes us realize we have been cut. Ideally, a swift, sharp cut will not be painful due to the release of endorphins and hormones associated with an emotional “high,” similar to a runner’s high.
Willful acts of abuse are NEVER permitted. Willful act of abuse include dragging a conscious animal, applying prods to sensitive parts of the animal, slamming gates on livestock, purpose fully driving livestock on top of one another, or hitting or beating an animal. In sheep and goat operations, lifting an animal by the wool or skin, or throwing is also is an act of abuse.

All workers and handlers should be quiet and calm. If dogs are used for moving sheep or goats (note border collie in the above picture working at the edge of groups flight zone) they should be trained to stay at the edge of the flight zone and to reduce pressure when the animals are moving correctly. Working sheep or goats in confined quarters or allowing nipping or unnecessary barking should be avoided. Yelling and arm-waving excite and agitate animals. Use of electric prods in most cases is strictly prohibited. Every possible effort should be made to ensure that the sheep or goats are kept moving on their own without poking, prodding or shouting. If a group of animals balk at a smell or a shadow up ahead, be patient and wait for the leader to cross the shadow. There is usually no reason to touch or prod them as they will generally figure it out and move forward when human pressure is reduced.
Encourage movement with non-electric driving aids such as flags, paddles and sticks with streamers. Animals can easily be turned with these aids. To turn an animal, block the vision on one side of its head with the aid. If the leader balks at the chute entrance, a single touch with the non-electric prod device may be all that is required. Once the leader enters, the rest of the animals will follow.
Livestock will follow the leader and handlers need to take advantage of this natural behavior to move animals easily.
Calm animals are easier to handle and move than excited animals. Animals can become agitated very quickly, and it can require 20 to 30 minutes for them to become calm again. Livestock must not be rushed or run along alleyways, passageways or gateways. Calm animals will move naturally through well-designed systems with a minimum of driving and prodding.

To keep animals calm and move them easily, the handler should work on the edge of the flight zone. A flight zone is an animal’s personal safety zone. The size of the flight zone varies by animal breed, temperament, previous handling experience and angle of the handlers approach. When the handler increases pressure by penetrating the flight zone (within the circle to position A) the animal will move forward. When the handler reduces pressure by stepping back (to position B) the animal will slow down or stop moving. The handler can change the animal’s direction by moving around the circle towards the head of the animal. Deep penetration of the flight zone (into the shaded area) should be avoided. Animals may become upset and act unpredictably when a person is inside their personal space and they are unable to move away. They may challenge you or panic. Also notice and respect the animals blind spot represented by the V shape in the diagram directly behind the animals head.

The point of balance is at the animal’s shoulder. All species of livestock will move forward if the handler stands behind the point of balance. They will back up if the handler stands in front of the point of balance. Many handlers make the mistake of standing in front of the point of balance while attempting to make an animal move forward in a chute. If the animals are moving through the chute by themselves, leave them alone. It is not necessary and not recommended to prod every animal and often they can be moved by lightly tapping.
Attention to animal handling details can improve the outcome with any equipment. Spirit of Humane equipment is designed to take these factors into account, but will work best when these same principles are applied throughout the animal handling process.
There is much more to learn about humane animal handling. Please refer to the links in our Other Resources section.