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Spay / Neuter

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DOGS

Dogs not used for breeding should be neutered or spayed AFTER 6 months of age. 

MALE DOGS

Male dogs can be neutered at ANY time after 6 months.  They seem to recover easiest with little to no swelling if done before 1 year.  However, dogs over 1 year if kept appropriately confined for 10-14 days post op can also do fine with minimal swelling or bruising.  There is no scientific evidence that earlier castration or later castration prevents cancer (except testicular of course!).  

FEMALE DOGS

It is best to spay females BEFORE their first heat cycle to eliminate any future occurrence of mammary cancer.  There are some sources/breeders that suggest a female dog should have at least one heat cycle for bone growth or to prevent other cancers, there is NO DATA to support this in the scientific literature.  

CATS

Cats not used for breeding should be neutered or spayed at 6 months of age.

MALE CATS

Should be neutered/castrated AT 6 months.  Beyond 6 months you risk the male cat starting to spray urine to mark in your house.

FEMALE CATS

Should be spayed AT 6 months.  Cats that are allowed to go into heat simply stay in heat and often do not come out.  Ever notice why there are so many kitten in the world?

Dog, Cat, PENASQUITOS PET CLINIC, Oceanside, California, Dermatology, Digital Radiology, Emergency, Vaccinations, Ultrasound, Lab, Prevention, Wellness, Senior, Dental Care, Nutrition, Online Pharmacy, Surgery, Internal Medicine, Allergies, Lab, Pup…