Which of the following is a rule of kosher slaughter?

The correct answer highlights a significant principle in kosher slaughter, which adheres to the ethical treatment of animals and the sanctity of the slaughtering process. In kosher practices, it is crucial that the animal is killed in a manner that minimizes suffering and respects the integrity of the animal. The rule against tearing of the flesh ensures that the method of slaughter is both humane and adheres to the expectation of the animal being handled with care.

By emphasizing the need for a clean cut through specific methods—primarily using a sharp blade—kosher slaughter aims to refrain from causing unnecessary pain, aligning with the broader Jewish values of compassion towards living beings. This precision is not just about the physical act but also about maintaining the spiritual and ritualistic significance of the process.

While there are indeed practices about restraining the animal and some considerations around timing, they do not carry the same ethical weight tied to how the animal is treated during the slaughter, making the rule against tearing of the flesh particularly central to kosher methods.