Heat Stress & Heat Stroke

Health & Well Being
Heat Stress & Heat Stroke

When summer arrives people are told to stay in the cool, drink lots of fluids, and avoid exercising in the heat of the day.

Despite our best efforts, people still tend to be affected, whether by dehydration, lack of sleep, or reduced appetite. But what affect does summer heat have on greyhounds, and what can we do to help them best cope?

Keeping Cool

Probably the biggest difference between us and greyhounds is the different ways in which our bodies work to maintain a stable operating temperature.  For humans, body sweat is used to cool our skin, but greyhounds can’t sweat all over like we do, instead only sweating through glands on the pads of their feet and nose. Greyhounds instead rely on evaporative cooling from their respiratory system – panting to move air across wet membranes.

This system of cooling has limitations and has important consequences for the greyhound.  Firstly, the evaporation can only occur if the humidity in the air allows it – the higher the humidity the less this system works.  So when in a confined space such as a car, trailer or kennel, humidity can increase quickly as evaporated water from the greyhound stays in the air.

The second problem with this sort of cooling is that it can lead to huge losses of body fluids and can alter the acid-base balance in the dog’s blood from the increased amount of oxygen-carbon dioxide exchange in the lungs.  These changes are hard to measure because you may not be able to actually see them.

What will you see?

  • Heat Stress – panting, salivating, increased heart rate, listlessness, vocalisation/whining
  • Heat Stroke – excessive or loud panting, thick saliva, vomiting, diarrhoea, wobbliness, strange behaviour, seizures, collapse, and death

What can you do?

  • Stop all exercise
  • Move to a shaded area or, ideally, into an air-conditioned area
  • Provide plenty of cool, fresh water
  • Provide plenty of ventilation to move evaporated fluid away and to drop the humidity levels
  • Gently cool the greyhound – they can lay on wet towels, be wiped down or hosed with cool water.  Make sure if you are using wet towels or ‘Cooling Coats’ that they feel cool to touch and that there is a breeze or ventilation as these methods rely on evaporation for their cooling effects too – if they dry out or there is no ventilation then it’s similar to wearing a blanket or rug.
  • Avoid using iced water on the greyhound’s body as this can cause the blood vessels in the skin to contract, which will slow the cooling process down because the hot blood is no longer coming to the surface where it can lose heat.  Iced water can be used on the feet though, and covered ice packs can be placed in between the dog’s thighs and in their ‘arm-pits’.

What if I think a greyhound is moving into heat stroke?

Heat stroke is more serious as there can be delayed complications due to organ damage.  The priority is to lower the body temperature quickly, but care has to be taken not to cause hypothermia (too cold) in the process.  Any dog with a rectal temperature over 41.6 degrees is considered dangerously hot.

These dogs need to be taken to the vet immediately, where cold intravenous fluids and cool water enemas can be done.  The vet can also monitor for complications and give medications to aid in preventing some of the consequences of a body temperature that’s too high – such as brain swelling and shock.

Finally, monitor your greyhounds closely for the longer-term effects of hot weather.  You need to be watching food intake, water intake, body weight and coat condition.

Meet our dogs ready for adoption

All greyhounds adopted from GAP are de-sexed, vaccinated, microchipped, wormed and health checked.

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Arrow

5 years old

Meet Arrow, this handsome boy is looking for his forever home. His loving nature and affection, he’s sure to bring joy and companionship to his family. Arrow thrives on attention and interaction, and hell reward his family with loyalty. Arrow is best suited to a household where he can be by himself, allowing him to settle in and become the beloved companion he is meant to be. He may be okay with another large or medium canine buddy. He might do well with kids 10+ who understand his boundaries and is respectful. If you are looking for a friendly, loving and confident doggo to join your family, Arrow is the perfect fit. Arrow has previously had a break in his right hand foot. This isn't causing him any trouble in his day-to-day life though!
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Hulk Smash

4 years old

Hulk is a smashing lad who is as soft on the inside as a marshmallow, we promise! The only thing he wants to crush, is your hesitation around welcoming him or one of his fellow hound heroes into your life! Hulk gets a little over exuberant at times, and needs to work on his lead skills, but this is an easy habit to overcome! If you are prepared to be patient and work with him, Hulk promises to protect and defend your heart until his last breath and beyond. He is friendly, puppyish, confident, and needs a yard to do his zoomies in and body slam those squeaky toys. He may suit living with children 10+, full time workers, and may do well on his own or with a medium or larger canine friend to take on the world with. He is a leaner, but is also independent, the perfect balance. So what are you waiting for? Come and meet him today, your love story might just be a knockout!
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Sam Iam

4 years old

Sam Iam the super sweet and social boy that just wants to please you and give you all loving that he has to give. Sam is good to walk on the lead and we think he may suit households that love to get out and about. We think he would be better in a home with a yard and no elderly or frail family members (incl. other dogs). We also think they might suit living with children 10 and above or another medium or larger dog as company. Sam has some Osteoarthritis which does affect his day-to-day life
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Bruiser

2 years old

Bruiser is a big puppy in an adult body! In new environments and with new people Bruiser can be a bit unsure and seems shy, but after some reassuring pats and some tasty treats, Bruiser will be an outgoing pup and your best friend in no time! Bruiser may suit living with or without another playful pup of similar size and children aged 15 years and older. We think Bruiser will do best in a home with a backyard so he can run and play in. Bruiser has successfully completed our onsite Behavioural Rehabilitation Program and is now ready for adoption! Bruiser has an old hock fracture, which doesn't affect his day-to-day life.
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Tremendous

5 years old

Meet Tremendous, the friendly and outgoing greyhound gentleman who's ready to bring joy and companionship into his new home! This charming boy has a big personality and loves to make new friends, both human and canine. Tremendous is a social and affectionate companion who will thrive in a family environment with plenty of love and attention. Tremendous is best suited to a home with kids aged 10+, who will appreciate his friendly nature and energetic spirit. He's looking for a household where he's the only dog or with a medium to large canine companion. Tremendous requires a home without small dogs or cats. With a loving family and a stable environment, Tremendous is sure to become a loyal and loving companion - if you're looking for a friendly and outgoing greyhound friend, Tremendous might be the perfect fit!
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Chevy Impala

4 years old

Meet Chevy Impala, the charming and unique greyhound gentleman who's looking for a home that appreciates his individuality. This boy is a bit aloof and independent, with a quirky personality that's sure to bring laughter and joy into his new home. Chevy is a loyal companion to those he trusts, and he'll reward them with affection and devotion. Chevy is best suited to a home with kids aged 15+, who will understand and respect his need for space and time to adjust. He's looking for a household where he's the only dog or with a calm and compatible medium to large canine companion. Chevy requires a home without small dogs. With a patient and loving family in a house with a yard, Chevy is sure to thrive and become a beloved member of the family - if you're looking for a loyal and affectionate greyhound friend with a bit of character, Chevy might be the perfect fit. Chevy has an autoimmune disease called Pannus, which is controlled with daily eye drops.
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Shifty

7 years old

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Meet Shifty, a 7-year-old boy who defies his age with his youthful energy and playful spirit. Don't let his mature years fool you - this lively lad is still a puppy at heart, always ready to burst into a zoomy or play with a toy. With his boundless enthusiasm and love for playtime, Shifty is the perfect companion for those who crave an active and entertaining furry friend. Despite his advancing years, Shifty shows no signs of slowing down. His tail still wags with excitement, and his eyes sparkle with mischief as he chases after toys or embarks on a high-speed zoom around the room. With his ageless personality and playful nature, Shifty is sure to bring joy and laughter into the life of his forever family. If you're looking for a fun-loving companion to keep you on your toes, Shifty is the perfect match! He may do best living as an only dog and a home with no children. He would prefer a backyard for his zoomies. He has successfully completed further training in our behavioural rehabilitation program and is now ready for adoption.
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