Dr. Sandi Rosely
Dr. Sandi Rosely
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Bradley and Russell with Zoser.
Dunkun
Russell with Hector.

Wellness and Vaccination

One of the best things you can do for your pet is to keep him or her healthy. And one of the easiest and least expensive ways to do that is by bringing in your pet for regular exams and vaccinations. Dogs and cats (and other pets) age far faster than people, so significant changes in your pet’s health can happen in a short time.

Small Animal Care

Our veterinarians are experienced in providing specialized care and treatment for exotic companion animals, including ferrets, gerbils, guinea pigs, hamsters and rabbits. We understand their unique health needs and can provide diagnostic, therapeutic, and surgical services, as well as counseling on nutrition, behavior, and general care.

Nutritional Counselling

If your adult dog or cat is healthy, you may have chosen a pet food based simply on whether or not your pet will eat it. Cost may also play a factor in your decision. However, not all pet foods are equal. And feeding the right amount is not as simple as following the directions on the package (they’re just guidelines).


Who we are

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We are a group of two Companion Animal Hospitals accredited by the College of Veterinarians of Ontario, the licensing body for Veterinarians and veterinary hospitals in the province.  Established by Dr. Sandi Rosely, Avonlea Animal Hospital has been serving the Mississauga Meadowvale community since July 2000.   In 2007, Hollybank Animal Hospital opened to service the growing neighbourhoods in south Milton.
 
Choosing your pet's doctor and health care team can be a very difficult process.  We can assure you that all of your pet's health care needs will be met with our hospital staff and services.  Our pet care health services include wellness care, vaccinations, medical care, surgery, dentistry, x-rays, and behaviour, obedience and dietary management.

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Meet Our Team


Our Services

  • Behaviour Counselling
  • Dentistry
  • Medical Care
  • Medical Consultations
  • Microchipping
  • Nutritional Counselling
  • Small Animal Care
  • Surgery
  • Ultrasound
  • Vaccinations
  • Wellness Programs
  • X-ray

Behaviour problems are very common amongst pets. Some common conditions include separation anxiety, destruction of the home, fear and territorial aggression and house soiling. Many of the problems have a congenital and an environmental component. Our doctors are trained to help you determine the cause of the behavior problem and then advise you about  how to […]



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Almost every pet will experience some degree of dental disease in their lifetime! Plaque bacteria thrive in your pet’s mouth (ever smelled that ‘doggy’ or ‘kitty’ breath?). At first they just live on the surfaces of the teeth and gums, but if not removed regularly by brushing or wiping, they will infect the gum tissue, […]



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Annual Health Assessments Bringing your pet in for their annual visit is still one of the most important things you can do for his or her preventative healthcare.  You can bring any questions or concerns about your pet for the veterinarian to answer.  The veterinarian will ask you several questions to find out how your […]



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Sometimes your pet’s behaviour/actions can tell us they are not feeling well, but other times your pet can hide disease really well. This is why annual examinations and bloodwork is so helpful. Many medical conditions can be found and treated easily with regular veterinary visits and bloodwork. At Avonlea Animal hospital we believe that your […]



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MICROCHIPPING Despite your best efforts, accidents can happen and your pet could go missing. Thousands of animals end up in shelters every year. Unfortunately, many of these animals are never reunited with their families because they can’t be identified. A collar tag is a great way to identify your pet; however, if this were to […]



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Just like in humans, nutrition is an important cornerstone for the health of your pet. And just like in humans, nutritional requirements change over time, depending on age, lifestyle and medical conditions. For example, cats and dogs with kidney disease require specialized diets, and small breed dogs are often prone to urinary and dental disease […]



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Our veterinarians are experienced in providing specialized care and treatment for exotic companion animals, including ferrets, gerbils, guinea pigs, hamsters and rabbits. We understand their unique health needs and can provide diagnostic, therapeutic, and surgical services, as well as counselling on nutrition, behavior, and general care.



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Prior to all surgical procedures the patient will have a physical examination and blood work to assess for any problems that need to be addressed prior to surgery or at the time of surgery. During the pre-surgical examination you will be provided with a surgical plan so that you are aware of what procedures will […]



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How Ultrasound Works Ultrasonography involves passing a probe over your pet’s skin after the hair has been shaved away, while it emits harmless ultrasound waves (which are like sound waves, but at a higher frequency that we cannot hear). As the sound waves bounce off tissues and structures inside your pet’s body, they are detected […]



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When the immune system is exposed to an infectious agent such as a virus or bacteria, it sets to work killing and eliminating it. One of the ways it does this is by making proteins called antibodies that specifically recognize that virus or bacteria and attach to it, flagging it for white blood cells to […]



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One of the best things you can do for your pet is to keep him or her healthy. And one of the easiest and least expensive ways to do that is by bringing in your pet for regular exams and vaccinations. Dogs and cats (and other pets) age far faster than people, so significant changes […]



Read More

At some point your veterinarian may recommend that your pet have an x-ray (technically known as a radiograph). This is a diagnostic tool that is very helpful to literally see inside your pet’s body. Examples of things that are commonly diagnosed with radiology include: broken bones, intestinal blockages or foreign objects, heart enlargement, lung conditions. […]



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What our clients say

Charlotte loves the treats and attention she receives. All of the staff are kind and knowledgeable. Charlotte loves her vets and staff. Overall I am very pleased with her care and I am happy with the clinic!

Cathy

Emmie has been going here since she was around 10 weeks old; she’s now 5. Staff are very nice, helpful and knowledgeable.

Larissa

Thank you so much for caring about Cooper. You all are doing a great job! I really appreciate the follow up phone call. Cooper is doing great! THANKS

Jen and Mike

Great place with wonderful staff! :o) They took the time to follow up with us to make sure our dog Gibson was doing well!

Emily

Amazing clinic! They truly care about their patients and offer the highest level of medical expertise for our dog.

Natasha

The doctors and staff are fantastic! Went for my first visit with Pedro and they were all great. Even when I call for advice. Then today after Pedro had his little man spot taken away and teeth pulled, still amazing before and after the procedures. After all my what I assume must be annoying phone calls checking up on my Pedro they were still so friendly and courteous. Even sent a picture of Pedro recovering! Exceptional skills dealing with Pedro and great communication skills. Not easy to find these days. Very impressed. Love this team!

Michelle

I am so happy with the care I’ve received for all my pets! Everyone is so pleasant from the front desk up to the doctors. They have handled care from puppyhood through spaying and emergencies with compassion and skill. We have also lost two beloved dogs and one Guinea pig to old age- the empathy and compassion helped us in sad times. I highly recommend Drs Rosely and Johnson.

Ann

Thanks to this amazing clinic a wonderful vet and such caring staff. Your compassion and kindness helped us to make the right decision for Bruno Again thank you so much.

Ida

Great clinic and very friendly staff! It took a bunch of calling around to find someone who would look at our ferret but I’m happy we found this one. Dr. Johnson was amazing!

Shaydey

Dr. Rosely and staff are amazing. Professional, friendly and empathetic. I just picked up my puppy and was surprised to find that the bill for her surgery had been discounted. I won’t take my puppies anywhere else.

Dan

Great clinic and very friendly staff. Just wanted to say a big thank you for all your love and support with my kitty Bruno, who sadly I had to say goodbye to on Monday. You can see your love for animals in your work. Thank you.

Caitlin


Latest News


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Jinx may not be new to the world, but he is a new patient! He is a very handsome 13 year old. ... See MoreSee Less

2 days ago  ·  

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Here is a great picture of Apollo who was in recently for a visit. It is hard to believe that this BIG guy is only 10 months old! ... See MoreSee Less

7 days ago  ·  

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Rosie, You were such a good girl today and soo cute! We are so happy that you could join us to celebrate your 1st birthday! ... See MoreSee Less

1 week ago  ·  

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This is Bella - this adorable 12 week old puppy is new to our area and this was her first visit to our clinic - she stole our hearts! :) ... See MoreSee Less

2 weeks ago  ·  

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Check out this little fur ball of joy -- Louie! ... See MoreSee Less

2 weeks ago  ·  

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Max, who was just such a good boy for his exam at Hollybank yesterday, we couldn't resist a photo! ... See MoreSee Less

1 week ago  ·  

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Rocky who was "just checking in" at his first appointment at Hollybank today - this one made me giggle!!! ... See MoreSee Less

1 week ago  ·  

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WAY TOO CUTE!!!
Cody who came in for his very first vet visit yesterday and is LOVING the Royal Canin Small Breed Development food.
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1 week ago  ·  

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Great job Toopy! You sat still for just one second so we could take your picture. ... See MoreSee Less

2 weeks ago  ·  

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Our newest patient Bayleigh. Posted so everyone can experience her cuteness for themselves! ... See MoreSee Less

2 weeks ago  ·  

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