NEUTERING AND WEIGHT GAIN



This is one concern that many people have in connection to neutering their dogs. It is true to say that some dogs may experience changes in their metabolism after neutering. This is not a problem in itself. Weight gain will occur however if the feeding levels remain the same. It is important to monitor dogs post neutering as it may be necessary to adjust food intake to balance out metabolic changes. Often it is just a case of a slight reduction of the amount of daily food given.
I always neuter my dogs, and have never had an overweight dog!

Neutering is a very personal choice. My best advice to owners is to read as much on the subject as possible, talk to your vet, and make the decision that you feel is right for your own dog
.

NEUTERING INFORMATION FOR MALE DOGS

Unless you are considering responsible breeding practices or are serious about showing your dog professionally, there is no good reason not to neuter your dog. It has many health and behavioural benefits, as well as helping to reduce overpopulation resulting in the amount of unwanted dogs destroyed every year. However, it is important to consider the timing of such procedures in order to reap the maximum benefit, and reduce the risk of detrimental health problems, which can occur if neutering is carried out too early.

BENEFITS OF NEUTERING MALE DOGS



Castrated males are less likely to be aggressive or be aggressed upon by other male dogs, and will be less likely to exhibit escape behaviour and roaming. It also removes the risk of testicular cancer.
Unneutered mature male dogs will scent mark, which can contribute to house training problems. This behaviour is not connected to the need to empty their bladder; rather they will leave small splashes of urine in strategic areas to mark territory. That is why males ‘cock’ their leg, so that the urine they leave is at nose level for other dogs, and will not be missed. This behaviour begins when they reach sexual maturity which will vary from dog to dog. Puppies and juvenile males squat until such time as their testosterone levels begin to rise.

OPTIMAL TIME TO NEUTER MALES



Large breeds mature slower than small dogs, and even within the same breed development times will vary between individuals. This is why it is inadvisable to specify that males should be neutered at a specific age. The optimum time for neutering of males is when
they first begin to tentatively lift their leg when urinating. This shows that the particular dog is beginning to sexually mature. If neutering occurs at this time it will reap the maximum benefits, prevent the development of scent marking behaviour, and other testosterone related issues, such as inter dog aggression and roaming.

IMPLICATIONS OF NEUTERING TOO EARLY


 
Males that are castrated before reaching maturity often grow taller than they should, as the lack of dihydrotestosterone fails to signal the cessation of bone growth at the normal time. This can result in dogs that are too long in the leg and occasionally can cause disproportionate growth between the fore and hind legs, putting pressure on the skeletal structure, in particular the hips and spine.
There also seems to be some evidence of a link between osteosarcoma (bone cancer) and prepubescent castration in male dogs, particularly large and giant breeds.. .

From a behavioural perspective, my own observations over the course of many years suggest that neutering males before they mature has the effect of ‘locking’ dogs into a juvenile psychological state. This can result in dogs that do not develop emotional maturity, remain ‘giddy’ and retain a shorter attention span.

NEUTERING OLDER DOGS



Behavioural benefits of neutering, reduce if castration is carried out when dogs are well in to maturity. In the case of scent marking and inter-dog aggression for example - although testosterone was the driving force behind the original behaviour, it will soon become normal and established behaviour for the individual dog. Removal of testosterone due to castration may have little or no effect. Although there may be other benefits of later neutering, well established behaviours may not necessarily improve following the procedure.
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