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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Lee

2 years old

How handsome is this young chap! Mr Lee here is a stunning, sleek, shiny boy that is just as sweet as he is handsome. Lee is still a young one getting to know the ropes so he can be a bit silly and on the go but he does sometimes step back and take it all in. He can be a little shy in new situations but soon forgets what he was worried about and is back to his usual playful self. We think Lee may suit living with children 10+ and maybe another medium or larger companion. He has requested a backyard though please as he wants to show you his epic zoomies and play till its nap time!

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Empire

3 years old

Well they all say Rome wasn’t built in a day, but perhaps you want to bring an Empire into your home and make it a kingdom of fun, laughter, cuddles and play time. Empire may suit many homes and living with children 10+ or maybe even another medium or larger canine buddy.

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Pickles

5 years old

Meet Pickles with his big floppy ears that makes him look like a cross breed! In new situations and environments, he can be a little unsure but doesn't take him long for his true colours to shine through and is super friendly and affectionate and if you're lucky he may even jump up for a cuddle! Pickles may suit living with or without a canine pal of similar size and children aged 10 years and older. This big playful boy will likely do best in a home with a backyard.
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Magpie

5 years old

Magpie is a lovely boy with a puppyish and playful nature. He's confident, social and outgoing, and loves to be the life of the party! This charming boy would likely be ok in a home with full time workers, and children aged 10 or older. He is looking for a backyard he can run and play in. Come meet this cool dude today!
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Emily

3 years old

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Meet Emily, a sweet and personable greyhound who's sure to capture your heart! This affectionate girl loves being around people and will shower her owners with love and attention. With her gentle nature, Emily's a perfect companion for families or individuals looking for a loyal friend. Emily's got a unique charm - one of her adorable ears flops forward, making her all the more lovable! She's looking for a household with or without kids aged 10+, where she can be the only dog or live with a medium to large dog. If you're looking for a loving and laid-back companion to bring joy to your life, Emily might be the perfect fit!
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Chonk ARP

2 years old

Don’t be fooled by his name, he isn’t a “Chonky Boy” but we think the name still suits him. Mr Chonk does however love a little treat or two so this should make training a breeze, as long as he doesn’t give you those puppy dog eyes for too many! Chonk is a confident and enthusiastic boy and we think that he may suit homes with children 10 and over and possibly another dog of any size.
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Ronnie

4 years old

Meet Ronnie, a charismatic and outgoing greyhound who's the life of the party! This confident and enthusiastic boy is an extrovert who loves being the centre of attention and making new friends. With his bold and adventurous nature, Ronnie's perfect for an active family who loves the outdoors. Ronnie's looking for a household with or without kids aged 10+, where he can thrive in an active home with a backyard to run around in. He's happy to be the only dog or live with a medium to large dog, but he's not suited for apartment living or elderly owners who can't keep up with his energetic personality. If you're looking for a lively and adventurous companion to join your active lifestyle, Ronnie might be the perfect match! Ronnie has an old hock fracture prior to entering GAP
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Scarlett

4 years old

Meet Scarlett, a sweet and pretty greyhound who's a total sweetheart! This affectionate girl loves being around people and adores a good scratch behind the ears - she's a total pampering princess! With her gentle nature, Scarlett's a perfect companion for families or individuals looking for a loving friend. Scarlett's looking for a household with or without kids aged 10+, where she can be the only dog or live with a medium to large dog. She'll need a backyard to stretch her legs and get some exercise. If you're looking for a beautiful and loving companion to bring joy to your life, Scarlett might be the perfect fit! Scarlett has a low-grade heart murmur and an old hock fracture. Neither of these affect her day-to-day life.
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Sophie

4 years old

Meet Sophie, a stunning and sweet greyhound who's sure to capture your heart! This pretty and outgoing girl is a social butterfly who loves meeting new people and making friends. With her affectionate nature, Sophie's always looking for someone to shower with love and attention. Sophie's looking for a household with or without kids aged 10+, where she can thrive as the only dog or live harmoniously with a medium to large dog. Having completed behavioural rehabilitation, Sophie's gained valuable skills and confidence, but she's not suited to homes with small dogs or cats. If you're looking for a beautiful and loving companion to bring joy to your life, Sophie might be the perfect fit! Sophie has an old Hock fracture with some arthritis in it. This doesnt affect her day-to-day life.
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Kara

7 years old

Doesn't Kara have the cutest face? She is a friendly girl with a puppyish and playful nature. Kara has been living as a pet for a few years now and returned due to no fault of her own. She has previously lived with greyhounds but we think she may be ok with another medium or larger breed as well. She can jump up, so no small children or frail owners for this girl. Kara is lovely to walk on lead and still very much an active girly. We also think she may be ok with children 10 years an over.
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