Whether or not you should take your puppy to the vet in a crate depends on your puppy's personality and comfort level. Some puppies may feel more secure and relaxed in a crate, while others may become more anxious and agitated when confined. If your puppy is already comfortable in a crate and feels safe and secure inside it, then it may be a good idea to bring the crate to the vet. This will help your puppy feel more comfortable during the visit and may make the experience less stressful for both you and your furry friend. On the other hand, if your puppy has never been in a crate before and is not comfortable being confined, then it may be better to transport him in a carrier or on a leash. You want to ensure that your puppy feels safe and secure during the trip to the vet to prevent additional stress.