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Providing the best health outcomes for your pets

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Our Rivapetz Team

We have a team which consists of three veterinarians; Jenni Trewren, Carolyn Carson & Sarah Zhang, supported by Paige Dempsey, Bec Lovett, Helen Cass, Sharon Taylor & Mary Geddie. We are all dedicated animal-a-holics and enjoy having the opportunity to interact with your pets on a daily basis.

Dr Jenni Trewren
Dr Jenni Trewren
BVSc (First Class Honours) MACVSc (Small Animal Medicine) CMAVA

Jenni grew up in Brisbane, and graduated from the University of Queensland in 1990. She moved to the Riverland in 1991 and has lived and worked in the Riverland since then.

She completed post-graduate studies in 1996 when she was awarded Membership of the Australian College of Veterinary Science in Small Animal Medicine – a challenging undertaking with a new baby (Sarah) who was allergic to sleeping. Tim joined the family in 1996, and after being a mum for a few years, she opened Jenni Trewren Veterinary Services in Berri in January 1999. The name of the business was changed to RIvaPetz Pet Care in 2008.

She feels very privileged to be able to provide veterinary care for so many wonderful Riverland pets, and to help ensure their health and wellbeing for their families.

Katie, her darling black & white cat, had been a part of her life since moving to the Riverland, and features in the “Jenni Trewren Veterinary Services” logo. Her portrait also hangs in the reception area, and she is featured in the leadlight window which is part of the front door. Katie passed away after 18 ½ years of love and companionship, but she is still the matriarch of Jenni Trewren Veterinary Services

The Trewren menagerie currently consists of; Matilda the Border Collie, Toffee the spoilt Terrier Cross, Molly the very naughty Burmese cat, Henry the cockatiel, and heaps of much loved Guinea Pigs with some really weird hairstyles and great personalities.

Jenni now also owns St Bernard’s Road Veterinary Clinic in Adelaide and divides her time between Berri and Adelaide.

Dr Carolyn Carson
Dr Carolyn Carson
BSc, BVMS, Dip Theol

Carolyn joined the RivaPetz Pet Care team in March 2007.

Carolyn dreamed of being a vet from an early age, and after completing high school in Renmark, studied Veterinary Science at Murdoch University in Perth. Six years and 2 degrees later, her focus had changed dramatically, because she somehow seemed to have acquired a (temporary) husband and 2 (permanent) sons.

The ensuing years saw her take on the role of mother with a passion, so much so that she home-schooled both boys up to the end of year 7. By then they had seriously had enough of each other and the boys happily went off to Renmark High School. One is now an engineer and the other is preparing to study Masters in Psychology in Adelaide. This time presented another change in focus, and she volunteered in many areas, including running a playgroup for 6 years and growing native tree seedlings for Greening Australia.

She was re-introduced to the veterinary profession quite by chance, and now works as a veterinarian at Rivapetz Pet Care. She has a weakness for cats, and has had the company of many gorgeous felines over the years, with the household currently inhabited by Mitzi and Sloan. Mitzi is a “look but don’t touch” cat, while Sloan is an absolute sook who loves a cuddle. Surprisingly, they now get along well, after about 12 months of hating each other. It’s a lesson in perseverance.

Dr Sarah Zhang

Sarah joined the RivaPetz Pet Care team in January 2015.

Sarah grew up in Brisbane and knew from an early age that she wanted to be a vet. Upon completing high school she moved to Perth to study Veterinary Medicine at Murdoch University.

Once she graduated from university she worked in a family hospitality business while volunteering at local veterinary clinics before the opportunity arose to enter the veterinary profession. She headed south where she worked in a small animal clinic in Tasmania. Seeking to return to a warmer climate, she moved to Berri and joined the team at RivaPetz Pet Care.

Since then she has enjoyed getting to know all the wonderful pets and owners in the Riverland region, especially new puppies and kittens. In her spare time she experiments with baking sweet treats and takes them to work for everyone to try.

Paige Dempsey
Certificate IV Veterinary Nursing

Paige joined the RivaPetz Pet Care team in January 2013.

Paige grew up in Renmark with her family, and first dog Pepi. She spent hours at a time carrying Pepi wherever she went, having long conversations with her and even dressing her up!

Over the years Paige welcomed many more pets into the family; Pretzel the guinea pig, Nala the cat, Vinnie the turtle, and Logan the quirky Jack Russell who currently resides at the Dempsey residence.

After completing her schooling at Renmark High School, Paige moved to Adelaide in 2012 where she studied Veterinary Nursing at Gillies Plains TAFE. As part of her training, Paige undertook various work placements throughout the year, and in October spent two weeks at RIvaPetz Pet Care.

Paige moved back to the Riverland and joined the RivaPetz Pet Care as a qualified Veterinary Nurse. The highlight of her work day is spending time with her special friend Freckle.

Bec Lovett
Certificate II - Animal Care

Bec joined the RivaPetz Pet Care team in March 2012.

Bec is a local Riverland girl and has spent her entire life surrounded by animals - although now there are three children as part of the mix also.

At this stage her four-legged menagerie consists of Asha (the Australian cattle dog ), Bolt (the German Shepherd Cross), and Leo and Tiger the amazing cats.

She has been passionate about wanting to work in the veterinary profession for many years and is really excited that she now has the opportunity to become a fully qualified Veterinary Nurse. Bec has started her Certificate IV in Veterinary Nursing and will be combining study with working at RivaPetz Pet Care.

Bec has an amazing capacity to care for the waifs and strays of the Riverland and as well as her own pets, she also shares her home with rescue dogs, getting them back on track before re-homing them.

Bec is currently a Trainee Veterinary Nurse and Groomer and she works very hard to make sure that the animals in our care are happy and comfortable.

She anticipates completing her Certificate IV in Veterinary Nursing in 6 months’ time.

Helen Cass
Client Relations

Helen joined the RivaPetz Pet Care team in March 2011.

Helen was born and raised in Adelaide. She worked in administrative fields within Medical and Agriculture for many years before becoming a mum to four fabulous children over a five year period.

In January 2009 she moved with her children to the Riverland. They have two loveable dogs - Jet and Sox and one delightful cat – Dina. Helen enjoys the country lifestyle and the friendly nature of the Riverland community.

She enjoys interacting with all the wonderful pets that come through the doors at RivaPetz Pet Care and has enjoyed getting to know all of our special patients and clients.

Helen is the Client Relations Manager at RivaPetz Pet Care, in addition to providing administration support.

Sharon Taylor
Client Relations

Sharon joined the RivaPetz Pet Care team in August 2012.

Sharon and her darling Lulu have been visiting the clinic as clients since Lulu arrived as a gorgeous bundle of white fluff in 2009.

Sharon splits her week between working with the great patients and clients at RivaPetz Pet Care and making amazing cheese under her own brand - Taylor Made Cheese. Sharon is also an amazing cook and shares her amazing creations with us at the clinic.

Sharon's will be one of the friendly faces which greets you when you arrive at RivaPetz - she shares the Client Relations role with Helen, and is a wonderful member of our team.

Mary Geddie
Pet enthusiast

Mary has always harboured a secret ambition to work in a vet clinic even though she has a successful teaching and music career. As a child she was the one in the large family that had the mice, rats, birds, dogs, cats, a goat and even pet ducks. In March of 2014 Mary joined the team to support the Client Relations Team with behind the scenes administrative work. She gets to use her computing skills as well as doing something with animals which is a bonus for her! Occasionally you may see her at the front desk when Helen and Sharon are both away.

Mary and her husband have 2 children who have flown the coup to study in Adelaide and Melbourne. Her late German shorthaired pointer, Bella, had been a regular at the clinic since she was a puppy 16 years ago as well as Charlie the cat for 13 years.

During the average week Mary spends her time juggling music students, playing piano for a singing group (Sing Australia Riverland) as well as having other small jobs of which working at Rivapetz Pet Care is one.

The Clinic Cat

Sumo' was first brought into the clinic as a stray, needing a caring and loving home. Most unwanted cats and kittens are put up for adoption but this one seemed different.

When "Sumo" was first let out of her cage, to have the run of the clinic, she hopped right out and set about inspecting everything and everyone. We all fell in love with her! We soon began to realise that she would make the perfect clinic cat. She settled into clinic life really well, equally dividing her daily time with each staff member. She is such a sweet and affectionate cat, but also has a devilish streak within her, she is far from being the little lady-she will roar in and out of each room sounding like a freight train.

Little did we know that she would go on to develop ringworm! Earning her the name the ‘ringworm infected thug' or ‘Ompa Lumpa'.

Her favourite pastimes are spending time at the front counter where she can meet and greet all of our clients and patients or the warm fax machine in Jenni's office but, she still manages to catch up on some sleep in-between the hectic jobs of being the clinic cat.

Sumo's Offsider

Freckle was dumped at RIvaPetz, and despite our best efforts to find her a loving home, she has now permanently become Sumo's offsider (or alternatively partner in crime). Her passion is jumping from great heights, and as a result has injured both of her knees, neccesitating surgery on her right knee.

Her favourite past time is to sleep in the treatment room cupboards, and say "boo" to anyone who opens the door.

Her most recent trick was to test whether the RSPCA money box on the front counter bounces - unfortunately she found out the hard way that it doesn't!


Mon to Fri - 8.30am - 5.30pm
Saturday - 8.30am - 11.30am


RivaPetz Pet Care & Chateau de Cat
8 Gilbert Street
Berri SA 5343

Ph: 08 8582 1344


Caring for your Pet


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