What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm 6pm - 7pm Wednesday 8am - 5pm Thursday 8am - 5pm 6pm - 7pm Friday 8am - 5pm

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Stonegates Veterinary Hospital

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Dundas, ON
Stonegates Veterinary Hospital

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Small town veterinarian located in West Flamborough. Offering healthcare to cats, dogs and pocket pets such as Dentistry, Spays, Neutering, Xray and etc.

Examinations & consultations - Every pet should have an examination with their veterinarian at least once a year. Older pets should be seen twice yearly. The reason for the visit is not only to discuss with you how things are going but to ensure that your pet is healthy and happy. Any possible health concerns whether it be medical, behavourial or food related can be addressed and Dr.Marsales can reccomend ideas and or treatments that may be of some help. Don't be shy...ask all the questions that you want! Immunizations - Vaccinations (shots) are given to help protect your pet from contagious diseases and viruses. In order to vaccinate your pet , Dr.Marsales examines your pet to be sure they they are healthy enough to recieve a vaccine. We have changed our vaccine protocol to match the one that AAHA (American Animal Hospital Association) has suggested. Over the age of three should receive less vaccines every year and that core vaccines can be on a 3 (three) year rotation. In other words, your pet for the first three years will receive all core vaccines and Rabies, then after that they will receive one vaccine that alternates every three years! Example, 1st year would be Rabies, 2nd year would be Distemper and then the 3rd year would be either Parvo ( dogs) and Leukemia (cats). Then the next year it starts all over again. Bordetella , Lyme and Lepto vaccines are still yearly and done upon request or by your pets lifestyle. It will cost less to prevent an infection than to treat one! Dentals - This one is a favorite for Dr.Marsales! Dental care is one of the most important things that you can do for your pet. A dental prophy (cleaning) can be done daily , your pet is under a general anesthetic while they are having them cleaned. Your pets teeth are then cleaned and scaled of tartar, checked for any possible pockets or problems and then polished with flouride. We also have a fantastic dental x-ray machine that sends the pictures to a laptop so that Dr.Marsales can ensure that your pets teeth are in the best of condition without any guessing. Animals usually don't open thier mouths to willingly to have thier teeth cleaned ! Surgical Procedures - Dr.Marsales does elective and routine surgeries daily. Every pet is weighed and medication is drawn specifically for your pet. Isoflourane is used as an anesthetic to maintain your pet while their having thier procedure. Owners are called immediately after the procedure to let them know how their pet is doing. Our declaws are preformed alittle differently than most, if your nterested how...
please call and let us explain it to you! Dr.Kim Murphy is an orthopedic surgeron who comes to our clinic for those " hips and knee" surgical patients. This allows you to have a specialist preform the procedure in the comfort of the clinic that you are familiar with. It is a priority that your pet is comfortable, warm and without pain. In addition, we have an on site pharmacy so that we can dispense medication for your pet before they leave their appointment. Our cats and dogs are in separate rooms, so not to stress to our feline friends. We carry Hill's Prescription Diets and Medical Royal Canin diets. However, if we do not have the diet that you need we can order it for you! We also have grooming in our clinic , just give Wendy a call and she makes the appointment to meet you here with your pet. If you are curious about our facility, please call and arrange a tou

10/07/2026

We are thrilled to welcome Dr. Natalie Trisch to the team at Stonegates Veterinary Hospital! 🐾 Dr. Trisch will be in the clinic caring for your pets on Tuesdays, Thursdays, and Fridays.

Dr. Trisch brings a rich background in small animal, emergency, and shelter medicine, and she is passionate about working collaboratively with clients to create personalized care plans for their pets’ health and happiness.

A few quick facts about Natalie:

🎓 Education & Background: A proud University of Guelph graduate, she holds an Honours degree in Biology and a Doctor of Veterinary Medicine degree.

🏆 Recognized Excellence: During her studies, she received several prestigious honors, including the Arthur A. Shapiro Award from the Toronto Humane Society for relieving animal suffering, the Northern Ontario Veterinary Association Scholarship, and the Walter Vaughan Medal for academic excellence and student leadership.

🩺 Advanced Care & Leadership: She is a Fear Free Certified and Cat Friendly Certified Veterinarian, a member of the Feline Veterinary Medical Association, and has served as a VSTEP Surgery Mentor and on the CVO Veterinary Records Committee.

🌲 Unique Beginnings: Originally from Thunder Bay, her early career included working with the Ontario Moose Specialist and serving as a forest firefighter—experiences that deeply rooted her connection to animals and nature!

🐱 At Home: Off-duty, she shares her home with her rescue cat, Freddie, who is both delightfully bossy and a little too fond of his food.

We are so excited to have her expertise and compassionate care back at our hospital on Tuesdays, Thursdays, and Fridays. Please join us in giving Dr. Trisch a warm welcome! ❤️

10/05/2026

10/01/2026

We are honored to feature the heart and founder of our clinic, Dr. Peter Marsales! 🐾

Dr. Marsales has been a cornerstone of local veterinary care for decades, blending deep medical experience with a warm, family-centered approach to keep your pets happy and healthy.

A few quick facts about Dr. Peter:

🎓 Education & Early Career: After graduating in 1978, he honed his skills working at clinics in Bracebridge and Gravenhurst before laying down roots to serve our local community.

🏡 Building Stonegates: Driven by a vision to provide personalized, compassionate care, Dr. Marsales took a year off to build Stonegates Veterinary Hospital right in the basement of his century home, officially opening the clinic's doors in the mid-1980s.

🩺 Decades of Dedicated Care: As the owner and lead veterinarian at Stonegates, he has spent over four decades treating generations of family pets with the same gentle, thoughtful touch he started with on day one.

📅 In the Clinic: You can find Dr. Marsales in the clinic caring for patients on Mondays and Wednesdays!

🐶 At Home: Off-duty, he shares his home with his Boston Terrier, Isaac!

🚗 Hobbies & Passions: In his spare time, Dr. Marsales loves singing and spending time working on his vintage cars.

❤️ Community Roots: For Dr. Marsales, veterinary medicine is all about lifelong relationships—treating every client like a neighbor and every patient like family.

We are so grateful for his decades of leadership and dedication to our clinic. Please join us in celebrating Dr. Marsales! ❤️

09/18/2026

With Fall bringing us cooler temperatures the ticks will be out in full force . Contact the office to make sure your furry friends are well protected .

06/05/2026

Heartworm season is here ! Have you started your dogs monthly preventative?

We’ve already had one positive dog from our area .

Give us a call to get your furry family members started on some prevention

Enjoy the sun ☀️

05/08/2026

While we may not love the cool damp weather we’ve been having the ticks do. It’s their favourite time of year! Give us a call or stop by to get stocked up on tick prevention and don’t forget to get your heartworm tests booked !

12/22/2022

Santa Isaac wants to let everyone know about our Christmas hours!

Friday December 23 - Closed
Monday December 26 - Closed
Tuesday December 27 - Friday December 30th - 8am - 12 noon
Tuesday January 2, 2023 - Closed

Have a safe holiday season everyone!

11/10/2022

Roxy and Tuxedo, sometimes they like each other

08/05/2022

The clinic will be closing at noon today sorry for any inconvenience and have a great weekend

01/17/2022

Well folks....there's a lot of snow out there.

We will be closing the clinic today due to bad weather. Hopefully we will see you tomorrow.

Address

Box 75, Dundas Street
Dundas, ON
L9H5E1

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
	6pm - 7pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
	6pm - 7pm
Friday	8am - 5pm

Telephone

+19056270695

Website

facebook.com

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