Spaying, Neutering and Cancer in Rottweilers - Dog Cancer Blog

Featuring Demian Dressler, DVM and Susan Ettinger, DVM, Dip. ACVIM (Oncology), authors of The Dog Cancer Survival Guide.

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Spaying, Neutering and Cancer in Rottweilers

Okay everyone, today I am going outside the realm of politically correct. You will see me do this from time to time, and some readers are not going to like it. Sorry, but I want to present information, and I don’t care if it is not PC if it saves lives.

As a vet, I am trained to promote spaying and neutering so dogs in shelters are not euthanized (killed) before they find homes.  This is sensible wisdom, and I agree.  But guess what… whenever we intervene with a surgery, medication, or a supplement, there are effects on our dogs.  And some of these effects are called “side effects”, because we don’t like them.

A little background first: Osteosarcoma is a brutal, aggressive cancer of the bone, common in large dogs such as Rotts, Wolfhounds, Goldens are more.

Here is some information that has been more or less kept under wraps, or has not been spread in the veterinary community for whatever reason:

If a male Rott is neutered before a year of age, his rate of osteosarcoma ALMOST QUADRUPLES.

If a female Rott is spayed before a year of age, her rate of osteosarcoma MORE THAN TRIPLES.

If a purebred dog is spayed or neutered before a year of age, his or her rate of osteosarcoma MORE THAN DOUBLES.

This information has massive ramifications, especially among owners of Rotts.

These figures were taken from an article in Cancer Epidemiology Biomarkers and Prevention, Nov. 2002.

To be sure, spaying and neutering saves lives, especially those of dogs in shelters and those in need of homes.  But we must not be rigid in our thinking, because the “facts” of today are not those of tomorrow.

It’s my viewpoint that Rotts should be spayed and neutered after a year of age. Just my two cents, friends.

Best,

Dr Dressler

 

About the Author: Demian Dressler, DVM


Dr. Demian Dressler, DVM is known as the "dog cancer vet" and is author of The Dog Cancer Survival Guide: Full Spectrum Treatments to Optimize Your Dog's Life Quality and Longevity.

  • Iris Menachem

    I wish I had known this before I spayed my dear Timo. She’s 8years old now and it has just been discovered that she has osteosarcoma. Sunday, she will have her leg amputated, as it is painful and she is not using it. I’m told it will prolong her life. I also plan on giving her immune system boosters. I don’t know what to do about chemo. Have you any suggestions.

  • Dr. Dressler

    Iris, I am sorry to hear this bad news. There is a lot of information, too much to include in this comment box. Sorry but it is a huge topic. I would honestly start reading previous blog posts, where a lot is included. I also have a book coming…be sure to read the amputation blog as well. Also check out the dog cancer coping guide, available online, if you feel that this is a bit overwhelming.
    Best,
    D

  • louise ruffell

    hello Dr, i am an owner off a7month old rottweiler my mother is looking to neuter him but i don’t agree he has a lovely calm temperament a bit cheeky but that’s being a puppy.we live out in the countryside with a massive garden so he has plenty of freedom what would your opinion be on this subject am i right or is my mother please help i don’t know what the right choice is.
    Thanks Louise

    • Dr. Dressler

      Louise,
      I can only give you my personal opinion here, which is different from many vets. This is the opinion you read about in the blog post you are commenting on….my personal opinion in Rotties is to wait until later in life than 7 months. I advise my clients between 18 and 22 months most often, if they are going to spay or neuter.
      D

  • Kat Meyer

    Hi Dr , I’m so glad you shared that. I rescued Jake( a 1 yr-young neutered Rotti) from the streets 4 yrs ago–had been severely abused. He just had his front leg amputated w/ the shoulder blade–he is so much happier & getting around great. He was in far more pain than he let on from the osteosarcoma. His surrounding node was clear & we’re about to complete the 4th & final chemo. He’s on an amazing nutritional program, has gained 5 lbs & seems to be thriving, except his wbc is a little low. What kind of water should I be giving him? I’ve been giving distilled, but a friend said Dr. Young, in the book Sick And Tired, advises against that for people w/ cancer. Thanks, K

    • Dr. Dressler

      Kat,
      if you want my ideal recommendation (and I am not a water expert): reverse osmosis.
      You don’t want water with lower pH than normal….
      Good luck!
      D

  • Kat Meyer

    Dr. I would be happy to share Jake’s nutritional program & diet. One of the things I researched to help protect his organs during chemo is CoQ10. He gets 50 mg of the Super Ubiquinol by Life Extension twice a day w/ meals. I also give him several supplements from Standard Process(the canine line), K-9 Immunity & Transfer Factors from Aloha Medicinals, Wild Alaskan Sockeye Salmon Oil by Vital Choice, ProGreens by NutriCology sprinkled on his food for chlorophyl, probiotics & some great nutrients. His Taste of the Wild kibble is the only one I know of that is low carb–SO VERY important, I’m finding out. I give this w/ some very lean raw beef chunks(which it turns out is actually easier for him to digest), a raw egg, some steamed green organic pureed vegetables, carrots, or organic baby food vegetables, sometimes cooked chicken or turkey instead of beef, & 2 different anti-oxidant capsules. Luckily, he inhales all that I mix together. Any other suggestions on his diet? Thanks, K

    • Dr. Dressler

      Careful with carrots: more carb calories than you might imagine. Raw meat and eggs in cancer patients is a bit of a no-no due to possible immune compromise and presence of possible disease-causing microbes on the surface of the meat in the package, or salmonella in the egg. You might want to at least flash-cook the surface of those chunks.
      Rosemary, basil, oregano, clove oil: high ORAC values (antiox)
      Check all with your vet.
      D

  • Mavis

    My 9 year old male Rottweiler has a tumor in his mouth which has partially gone into his jaw. The Vet wants to remove the tumor and one side of his jaw immediately… I asked for a biopsy and a few days to think this through. Should I use K9 Immunity Critical and factor pills to shrink the tumor and forgo the surgery. I am extremely worried.
    Any advice would be greatly appreciated.

    Mavis

  • Mavis

    PLEASE HELP I NEED ADVICE

    I received the lab results today on my Male Rottweiler Caleb he is 9 years old. Malignant Chondrosarcoma it is inside his mouth a tumor reaching into his jaw. Apparently it is slow growing but looks to be the size of a golf ball on the x ray. He has thick drool coming out of his mouth with blood in it. The Vet wanted to remove the jaw immediately but I am going to an oncologist on Monday for a second opinion.

    Can you direct me to anything on your site regarding this specific tumor in Rottweillers and the treatment needed.
    I was hoping that it was the type of tumor that could be injected with something to the cell level hopefully killing the cancer.

    I received the K9 Immunity package this morning 2 days to Alberta, Canada. I am so happy and gave him his first dose of Omega, K9 and the Transfer Factor. I gave him one aspirin for pain (is this ok)?
    He is sleeping like a baby.

  • Mavis Palmer

    January 26th visited the Oncologist.. It seems Caleb our Rottwieler has Osteosarcoma the tumor is in the bottom left jaw and they want to remove the jaw before the cancer spreads. it is localized in jaw at present. We do a Cat Scan tomorrow. Would Artemisinin be of any use to Caleb without removing his jaw??

    • Dr. Dressler

      Mavis, the artemisinin by itself likely is not a stand-alone. I can’t give individual dog recommendations in this blog post, but here are some things to discuss with the oncologist/vet. You should discuss artemisinin use with them. It could be of some use, as you put it. But I don’t think it is enough by itself. If you have a very cutting edge oncologist, see if they would consider OPLA (open cell polylactic acid) polymer, which can be impregnated with cisplatin for slow release into the circulation. This is kind of like a sponge that is put into Caleb’s body with a small surgery. Another option is samarium injections, not very available but..Make sure you talk to them about pain control. This is big.
      I talk more about these advances in the upcoming e-book for more complete discussions.
      I wish you and Caleb all the best.
      D

  • Kat Meyer

    Thanks for your earlier thoughts about Jake’s diet & water. I’ll be buying your book, but I have to decide if I’m going to take him for his 4th & final chemo of Adriamycin within the next few days. They have been alternating Carboplatinum w/ the Adriamycin, along w/ Piroxicam & Doxycycline daily & Cyclophosph once/wk. Since his wbc went from 8190 to 4,920 in 3 wks, they wanted to wait an extra wk, while I felt more comfortable w/ at least 2, maybe more. Since his surrounding nodes around the amputated humerus were clear, from your experience, does 1,2, or 3 wks make much of a difference for the final trmt? Have you ever heard of this trmt actually working? Her prognosis was 18 mos w/ it & 6 mos w/o. So I can’t help but wonder what would happen if I postponed the last one until he’s built up a little. His rbc went from 5.17 to 5.01 & his HCT from 36.4 to 35.9 in the same 3 wk period. I saw a holistic vet, Dr. Norman Ralston, for 20 yrs, but after he passed 8 yrs ago, no other vets here are nutritionally or preventive oriented. Have you had any experience w/ shark cartilage helping the wbc improve? Or is there anything else you know of? Thanks so much, Kat

    • Dr. Dressler

      Kat, you need to clear everything you do with your oncologist. Discuss cordyceps, which has been shown to enhance bone marrow production of white cells in mice exposed to cyclophosphamide.
      Remember, every dog is different. The numbers often do not have a lot to do with an individual dog.
      You need to discuss the chemo plan with the oncologist, who is very experienced with these drugs, and express your feelings that you would like to wait. You must be your dog’s primary health care advocate. Having said that, new white blood cells most often are formed in about 3-5 days.
      Best
      D

  • Dara

    Dr,I have a 10 month old rott and have a appointment to neuter when he is 11 months.I really dont believe in neutering except for medical reasons.Koda is a very sweet guy but does seem to have a little aggression by running up behind you and snipping your leg.Should I wait to see if this is just a playful act or go ahead and neuter him??

    • Dr. Dressler

      Dara,
      sounds like exercise, exercise, exercise….
      and then training and obedience ….is the name of the game!!!
      Look into a weigh vest to help burn off steam and get that dog to a trainer now.
      Best
      Dr D

      • Dr. Dressler

        Dara,
        check out Tamar Geller’s stuff. She is a friend and a good resource.
        Dr D

  • karen k

    I am soo confused! I have a 6 month old female rottweiler and she was schedualed to be spayed but then I received info about spaying too young, all the prob she could get. Then my vet tells me that if I dont spay her now then she could get breast cancer and have other problems. I haven’t re-schedualed the spaying, I’ve been researching the whole thing and I really don’t know what to do!? Please help.

    • Dr. Dressler

      Karen, the research is there. The data is there. Be your dog’s health advocate. I advise waiting until after heat 3 but before heat 4. That way you compromise and get protection against both, if you intend on spaying. Osteosarcoma is, by far, more debilitating than mammary cancer.
      D

  • I’ve ended up with two half-Goldens who are now four months old, one male and one female. How did the stats work out for mixed-breeds, or did anyone check? I’d like to give a sensible rec to their new homes (if they ever FIND new homes!) or do something sensible myself with these little rescue-punks. Nice pups. They deserve a decent future.

    I first came to your site for my SAR dog Sunny, now departed. Thanks for all your help.

    • Dr. Dressler

      Erika,
      no research yet, although I would not be surprised if there were some similarities.
      D

  • Dee

    Unfortunately like many owners I found this and other research after I had both my lads done at 8 months old. I am furious to say the least that the vets do not provide the fuller picture and provide all of the information. Why are they not obliged to tell us all of the side effects ??? the cons far out way the pro’s and simply would not have had it done had I know. I can and should of course take some responsibility for not researching further however I would expect my GP to tell me all of the potential effects if I was to have an operation why therefore can I not expect the same from my vets !!!!

    Anyway I can rant as much as I like its too late, however can I ask is there anything I can do now to reduce any risks my lads may have from getting bone cancer? They are both labradoodles and big dogs…

    Thanks in advance.

    Dee

  • Elrond C

    I have an 8 week old Rottweiler and wonder if its good or bad to give him a Steamed Bone Milk Supplement.

  • Erica

    Please help. I have a 8 month old rottweiler and shes getting way more hyper… She is taken for walks daily for 3 hours and I have her scheduled for a fix the end of this month. I don’t wand my dog to get any health problems either yet I don’t feel like having her try to hump my family friends and etc.. she also nips at my Boyfriends feet…. She never does this with me shes very good with me I don’t got a problem however my boyfriend she jumps all over and doesn’t listen well and my vet told me a Fix might calm that state of Dominant behavior. I’m getting a Male rott in the Summer. My old rottweiler Texter never had Cancer she died at 14 years old. she was fixed at 10 months.

    • Dr. Dressler

      Hi Erica,
      there are pros and cons to spaying and neutering…I am not at all against it, it is just a matter of making informed decisions on the part of the dog lover (you!) and being your dog’s primary health care advocate. Consider a weight vest to help burn off steam during walks (available on-line), as well as some good lessons at local obedience classes to help with good manners tips! Maybe you and your boyfriend could go- it can be a fun activity for everyone.
      Best,
      Dr D

  • Heidi

    Doc,
    I noticed that you mentioned a weighted vest to help burn off some energy. Is a 9 month old Rottie too young to carry some extra weight?
    We have decided to weight until Daphne is a 1.5 years old to spay her, but she has sooooo much extra energy that we are are about ready to duct-tape her to the wall (just kidding). I have a doggie backpack that I can put 5lb weights on each side. She is structurally sound and extremely healthy.
    What do you think?
    Thanks!

  • Doc a friend’s rott was spayed on his 11 months of age but after few months, the dog had developed a seizure, does fixing him relates to this case too?

  • Michelle

    I have an 11 year old, in-tact, male Rottweiler. He is going for surgery on Friday to have a mass removed in his chest and have some dental work done. The vet has encouraged me to have my Rott neutered while undergoing the other procedures. He’s overall fairly healthy for his age and loves walking. He’s not as active in general though. His activity level has declined in the last year. For example, doesn’t want to play ball like he used to. His prostate is slightly enlarged, but smooth. He leaks a little urine sometimes while laying down. He is having trouble getting up and down and using stairs. I’ve been giving him non steroidal anti-inflammatory drugs, but they seem to only help minimally. The vet recommends getting him fixed to avoid prostate problems or testicular cancer. All of his blood work came back good. At his age (11) and size (105 lbs.) and based on the information I’ve given, would you recommend getting him neutered? How long would his recovery be and would it be hard on him?
    Thank you!

  • Summer Lakes

    Just a note – I have a 4 month old Rott male and was told at our vet visit today that he is ready to be neutered any time. I asked if she was familiar with any of the studies citing disadvantages of early neutering, esp. high rates of osteosarcoma. She told me that she had not heard anything about it. She then mentioned that the price for surgery will go up as he ages.

    I will be my dog’s health advocate and wait for his sexual maturity until he has this surgery. Amazing to me that all of this information is available and still there are vets who either don’t know about it or won’t tell their clients.

  • JOHN GANGEMI

    Dear Dr. Dressler,
    I am at my wits end with my best friend Baron, a 9 year old Rottie. He has had a very tough year. He had a anul gland tumor(benign) removed in March. In May he had his spleen removed (benign) also. He was doing very well until August this year, he started having seizures and they became closer and closer. Finally, today, after not pooping for 4 days and losing mobility in his rear legs, I get him to my Vet who tells me the following: She has found a mass right where the prostate is by Xray, she also said his hips look really bad, and he is having problems walking. She said it’s hard to tell if his gait walking side wides is neurological or because he’s in pain and his hips are bad. My dog IS NOT neutered and is my best friend so my question is what are the chances this cancer or just an infection or BHP. He has no loss in appetite, and is mentally very alert.

  • GINA

    DR. DRESSLER
    MY DOG BRANDI SHE WAS ONKY 5 YEARS OLD WE THOUGHT SHE WAS LICKING HER PAW BUT IT WAS BOTHERING HER AT LEAST 4 MONTHS AND WE TOOK HER TO THE DOCTOR ABD THE DOCTOR SAID SHE HAS BONE CANCER IN HER RIGHT FRONT PAW SHE WAS A BERNESE MT DOG WHY DID SHE GET THE BONE CANCER WHAT MAKES BIG DOGS GET THEM WE PUT HER TO SLEEP ON OCTOBER 9,2010 .

  • BN

    I made an appt. to neuter my rotti, but he will be eleven months. Should I change it to when he is a year?

  • dana

    my 8 yr old rotti, bella, had osteocarcoma and we lost her in july 2010…we rescued a pup @ 2 months and they gave up no choice….so there is no breeding, all pups are spayed/nueterd before you can take them home…. why would they do this…..she had bumps where the spay site was and now woke up with a lump the size of a lemon in that area… can she have a hernia?

    • Dear Dana,
      yes, she might have a hernia, but other things are possible. Please get it checked out at the vets!
      Best,
      Dr D

  • Hemi’s Mom

    So I have a choice to make. I have a 2 1/2 yr old intact male Rottweiler who is an obedience competitor. He is also epileptic. I have kept him intact for many of the reasons listed. I have him scheduled to be neutered next week. I have not found research that neutering will help his seizures but it’s the last thing I haven’t tried. My questions are…is 2 1/2 really 3 in July old enough? Any thoughts about neutering and seizures. My neuro says he sees no difference but it’s the right thing to do. I just want to do what’s right for my partner….he’s already dealing with so much! Thanks for your advice!

  • Tarek

    So bottom line, should we avoid neutering before 1 year or avoid it completely?

    • Dear Tarek,
      I do not give blanket recommendations on neutering as the needs of the dog and the guardian are different between individuals. If there is no aggression, and no signs of disease that can be helped by neutering, no problems with urine marking or territoriality, and no risk of puppies without homes, then my opinion is there is no need for neutering.
      Best,
      Dr D

  • Eileen

    Is it possible for a bone biopsy (taken from the elbow of my 4 year old Newfie)which was termed as an Osteocarcinoma be in fact an Osteomylitis? I ask for, I have a gut feeling she had an injury from impact (rough play with her siblings). Thereafter she had a limp which did not go away. When it seemed to improve, she injured it again running with her siblings. After 2 weeks of no improvement with rest, I asked t have her X-rayed. Vet did a 4DX in case for lyme. Came back positive for Anaplasmosis, stated Doxi and wait on X-ray. # weeks not much improvement, I insisted on X-ray. Showed what Vet felt was Classic for >p<Osteocarcinoma(that sunburst), sent it for a radiologist consult. In the wait opted to put her on Clindamycin & Rimidyl in case it WAS Osteo Mylitis (although he wanted her on high Tramidol) I did for 2 days, weaned her off, and I requested a bone Biopsy and Chest Xray. Chest clear. Biopsy came back stating Osteocarcoma. BUT, I KNOW without question after the initial 2 days of Biopsy pain, her limping was slowly improving some. I chose to run the 10 day course of Clindimyacin, and added tumeric and Seven Forests products I had for inflammation, cq10, and a few natural supplements I have used on other dogs with cruciate injuries, now have her on only 1 Rimadyl at night, and each day her limp is less. Had an Oncologist appt today. Listened to her alternatives, yet my gut keeps feeling something is not right. Her spirits are almost back to normal, and she is rearing to play yet I will not allow it. Something just seems wrong with this picture!

  • Karen

    My dog is now 9 months old. She was spayed 3 months ago she was fine before surgery now her back right leg gets stuck up and doesnt run or walk for a while. Can this be from the surgery?

    • Dear Karen
      Please see you veterinarian promptly- this is not a common consequence of spaying-
      Best
      D

  • Cricket

    Learned for certain today my 7 yr old spay GSD has OAS, rear leg above foot. On an noninflammatory again. Vet thought it might be bone cancer when she was brought in back in May and did another xray today which confirmed him. I have a great vet in VT. Anyway, he doesn’t suggest amputation as it is almost certain the cells are in other parts of her now, and at best with amputation and chemo I might get 2-3 mos. for her. I am so devastated though. This is the 3rd GSD I have lost to one form of cancer or another. Do you suggest making my own dogfood over the stuff I can buy? She was on Diamond. If so, what would be a good diet? I have a male GDS with one retained testicle. Am I looking at another one dying from cancer? He is 6. Thank you.

    • Dear Cricket,
      I am puzzled by the data you have. Amputation with chemo has survival times (not necessarily for your dog, but generally) of more than 2-3 times the figure you gave of 2-3 months,and in your younger dog personally I would be looking at each of the different ways to help longevity. I know you have thought it over, but please do look at the actual data that is published in your decision making before discounting surgery and chemo. You might check in with an oncologist to get some additional insights, just my two cents here. I would certainly utilize a proper dog cancer diet. There is a free download on the top of this page. I would also use supplements like apoptogens, immune support (modified citrus pectin or beta glucans found in K-9 immunity plus transfer factor), and artemisinin. Please be sure to have for vet involved in all your dog’s medical care. For more useful details I would advise you read the Guide, and for general information you can also search this blog with the search bar on the upper right.
      I would also discuss with your vet about having your dog neutered to decrease the odds of testicular cancer in the retained testicle.
      Best,
      D
      Best
      D

  • Julie

    I have 2 Rotties, my Female is 18 mos. and My male is 9 mos.. I felt as if I was almost bullied into getting my female spayed at 6 months.. and it seems every time I take My fur babies to the Vet, I am getting pressured to get my Male Nutered. I should really only blame myself for not reseaching more before letting them spayed Pix. I too was told By the Vet that it was going to be better for her in the long run and that if she didnt get spayed (right now) she had a higher chance of getting cancer. It saddens me now that I trusted the Vet!
    Thank you for this Information, I will Not be getting Bronx fixed anytime soon

  • michelle

    Hey, I have a 3 1/2 month rottie. I took him for his last booster yesterday and the vet said he needs his canines removed because he has a slight overbite and it should help his jaw align more nicely. She said that it would be best if she removed the teeth and neutered him all at once so he doesnt have to go under twice. I didnt want to get him neutered until 12 months because i heard it stunts the growth of the dog, but now im seeing bigger concerns then juist growth. Should i take the risk of doing two seperate surgeries and waiting for 12 months to neuter or do it all at 5 months.

  • Cricket

    Dr. Dressler – Thank you for your reply. I am only quoting a time period of what was told to me by my vet based on the results he has seen of dogs with this bone cancer. We found more tumors on her chest this weekend while bathing her and a trip to the dr this morning with my BFA (parrot) he told me if we take an x-ray of her chest we would probably find a lot more tumors because he said, and I have read, by the time the tumor on her leg showed up, the cancer cells had already moved to her lungs. He removed a fatty tumor on my Amazon aged 25, and this morning I discovered a mass of blood in his cage. Thinking he had ruptured a suture we went in only to find that he believes it to be a hemangioma – looks like hemongia-sarcoma, sorry can not spell it. I have had a rough few week with all this cancer in my family and I am very distraught. He doesn’t have a good prognosis for either my dog or parrot. I will definitely download the diet for my existing GSD. My vet said he could put me in contact with an oncologist but after losing two other GSD to cancer (one was a tumor behind his right eyeball of all places) and another between her lungs and heart, I do not have any hope of beating cancer once it has been detected. The Rotty in my dr’s practice that also had an eye tumor, had 2500.00 + in sx done only to be put to sleep one week after my dog was put to sleep with no sx and treatment. Thank you very much for taking the time to respond.

    • Dear Cricket,
      sorry to hear about all this. Cancer is depressing, putting it mildly. However, sometimes it helps to view it as a chronic disease that we can perhaps manage and improve things (both life quality and lifespan) by doing some things. One of the most important things is to have no regrets, and sometimes doing things that can help a little makes the whole deal easier to handle. There are some nice techniques in the Guide that can help with some of the bad feelings we feel in this arena that you could try if you wanted.
      Best,
      D

  • JS

    My approximately nine year old rescued dachshund is facing neuter due to a significantly enlarged prostate. In the past month he has had some bloody discharge, which cleared up in a few days and he has had some recurrent discharge (not-bloody) for a few years now. His urine was of high gravity and did not contain significant white blood cells at the point when he was having bloody discharge about a month ago A recent ultrasound has confirmed prostatomegaly with multifocal anechoic cysts of varying sizes (<2.0 CM) as well as a thickened bladder wall. Blood work and neuter has been recommended, and I am in agreement with this treatment, but I am somewhat concerned about other possible health effects such as bone cancer, weight gain etc. Bladder wall biopsy could also be performed to confirm cause of bladder wall thickening. He is otherwise very healthy, but I believe he has become uncomfortable. I am likely to proceed with neuter but I would like your "at a distance" opinion. Thank you, JS

    • Dear JS,
      do what your vets are recommending…
      Best,
      DrD

  • Cricket

    Dr Dressler,
    I just put my 25 year old BFA parrot to sleep yesterday. he was diagnosed with hermangiosarcoma. I left him with my vet to autopsy. This insidious cancer, also rare ( common in GSD and GOLDENS I read) took over all the organs in my beloved parrots’ body and I can barely key this through my tears. Dr. Scott, bless him, is having a hard month with me. We put our beloved Lexi down 8/26 as she was no longer able to stand from the edema in her front leg and the Osteosarcoma on her rear leg. We buried her just before Hurricane Irene hit. The day we buried her, we discovered a lump on Max, my last GSD’s tail. He saw Max that day and said this tumor is not attached to the bone like with Lexi. First round of Amoxi because he is Lyme Pos (been treated for it in 2008) and fever of 104.3. 10 days pass, I took him back yesterday when I euthanized Buster. Max’s temp is down to 103.2, now on Doxi for another round. Hoping to surgically remove the mass in 3 weeks if his temp is down. Dr. Scott asked me about radon testing the house. Getting a kit today. Any correlation seen by you between radon and all these cancers? I can not take much more. Many thanks.

    • Dear Cricket,
      I am very sorry to hear this news. My heart goes out to you.
      yes, radan is a known carcinogen, at least as far as lung cancer:
      http://www.ncbi.nlm.nih.gov/pubmed/11762803
      There are a variety of other environmental ones too- asbestos in water, high voltage (suspected), airborne emissions from engines (aromatic hydrocarbons and more), waste in groundwater, heavy metals like lead, cadmium, mercury, petsticides and herbicides, inhaled solvents, and endocrine disruptors that may be in water from pharmaceutical metabolites…just to name a few. There is a large section on this topic in the Guide if you want more details.
      I hope this helps
      D

  • Leslie

    I am so glad I found this info. I had a male rottie growing up and he died of bone cancer. I now have an 11 month old rottie and want to get him neutered. I wasn’t sure what age would be best. I didn’t want to do it too early and keep him from filling out, but didn’t want to wait to long and have him get aggressive. I didn’t even know that age would be a factor in his chances of getting cancer. I am definitely going to wait now. Is there an ideal age for neutering to assure maximum growth potential?