Rebecca is a writer with an interest in pets and health. She takes care of her Mum's cattle dog cross, Ginger, and owns 4 cats. 
The dog neutering procedure has benefits that go beyond the improved behavioral changes that occur after desexing male dogs. There are health benefits, and advantages to the owner that mean you can relax and enjoy the companionship of your pet.There are many benefits to dog neutering, and no cons, or negative effects. And given that by having your pet undergo the dog neutering procedure, you won't have to be hypervigilent should a stray or neighbor's female come on heat, there are significant benefits to owners as well. True dog lovers would be concerned about the potential negative effects should your dog impregnate a female and contribute to the number of unwanted dogs that are regularly put down in animal shelters. Or scrounge the neighborhood skinny and malnourished, prone to diseases, including HIV.
The dog neutering procedure involves both testicles being removed through surgery. The scrotum isn't removed, just opened to take out the testicles and closed up again. It's a simple procedure, and one from which your pet recovers quickly.
Vets highly recommend that all male dogs that aren't going to be bred get neutered. This helps keep the dog population under control. and protects your pet from contracting diseases like HIV should he impregnate a female carrier on heat. As well, some male dogs develop testicular diseases as they age. By neutering your dog, you ensure he won't be among those statistics.
Many dogs have behavioral changes, such as leg mounting, and urinating everywhere to mark their territory, as well as being more aggressive, if they are not neutered. As well, owners have to really keep an eye on them and make sure they cannot get out of their fenced yard. When un-neutered male dogs sense a female on heat, they will be very persistent in trying to reach her. Un-neutered dogs have a real tendency to go roaming, which can be troublesome for their owners when they have to go looking for them at night. Roaming dogs have a greater chance of being run over by cars in busier neighborhoods too. And you cannot hope to control the number and sex of the strays in your neighborhood, or even your actual neighbor's pets.
Having your pet undergo the dog neutering procedure will also help minimize his risks for certain cancers and prostate problems.
There are no negative effects to dog neutering. Many owners report their pets being much calmer. And the 'worst' that can happen is that their is no behavioral change at all! So, the benefits to dog neutering are very significant.