Pet Care
Dogs act jealously even when they don’t see their rival
Dogs appear to be one of the few species that might display jealous behaviors in ways similar to a human child showing jealousy when their mother gives affection to another child. In humans, jealousy is closely linked with self-awareness, which is one reason animal-cognition researchers are so interested in studying jealousy and other secondary emotions in animals.

Past surveys have shown that more than 80% of dog owners report observing jealous behaviors from their dogs–vocalizations, agitated behavior, pulling on a leash–when they give attention to other dogs. New research published in the journal Psychological Science supports these observations and finds that dogs also exhibit jealous behaviors when they merely imagine that their owner is interacting with a potential rival, in this case, a highly realistic artificial dog.
“Research has supported what many dog owners firmly believe–dogs exhibit jealous behavior when their human companion interacts with a potential rival,” said Amalia Bastos with the University of Auckland and lead author on the paper. “We wanted to study this behavior more fully to determine if dogs could, like humans, mentally represent a situation that evoked jealousy.”
Dogs appear to be one of the few species that might display jealous behaviors in ways similar to a human child showing jealousy when their mother gives affection to another child. In humans, jealousy is closely linked with self-awareness, which is one reason animal-cognition researchers are so interested in studying jealousy and other secondary emotions in animals.
To test how and when dogs display jealous behavior, the researchers presented 18 dogs with situations where they could imagine a social interaction between their human companion and either a realistic fake dog or a fleece cylinder. The fake dog served as a potential rival for attention while the cylinder served as a control.
In the experiment, the dogs observed the fake-dog rival positioned next to their owner. A barrier was then placed between the dog and the potential rival obscuring them from view. Despite blocking the line of sight, the dogs forcefully attempted to reach their owners when they appeared to stroke the rival fake dog behind the barrier. In a repeat experiment using a fleece cylinder rather than a fake dog, the dogs pulled on the lead with far less force.
Through their study, Bastos and her colleagues found that dogs showed three human-like signatures of jealous behavior. Jealous behavior emerged only when their owner interacted with a perceived social rival and not an inanimate object; occurred as a consequence of that interaction and not due to a potential rival’s mere presence; and emerged even for an out-of-sight interaction between their owner and a social rival.
“These results support claims that dogs display jealous behavior. They also provide the first evidence that dogs can mentally represent jealousy-inducing social interactions,” said Bastos. “Previous studies confounded jealous behavior with play, interest, or aggression, because they never tested the dogs’ reactions to the owner and the social rival being present in the same room but not interacting.”
“There is still plenty of work to do to establish the extent of the similarities between the minds of humans and other animals, especially in terms of understanding the nature of nonhuman animals’ emotional experiences,” said Bastos. “It is too early to say whether dogs experience jealousy as we do, but it is now clear that they react to jealousy-inducing situations, even if these occur out-of-sight.”
Pet Care
Man’s best friend may be nature’s worst enemy, study on pet dogs finds
While ecological damage caused by cats has been extensively studied, the new research found dogs, as the world’s most common large carnivores, present a significant and multifaceted environmental threat.

New Curtin University research into the overlooked environmental impact of pet dogs has found far-reaching negative effects on wildlife, ecosystems and climate.
While ecological damage caused by cats has been extensively studied, the new research found dogs, as the world’s most common large carnivores, present a significant and multifaceted environmental threat.
Lead researcher Associate Professor Bill Bateman, from Curtin’s School of Molecular and Life Sciences, said the research found that human-owned, pet dogs disturb and directly harm wildlife, particularly shorebirds, even when leashed.
“As well as predatory behaviour like chasing wildlife, dogs leave scents, urine and faeces, which can disrupt animal behaviour long after the dogs have left,” Associate Professor Bateman said. “Studies have found that animals like deer, foxes and bobcats in the US are less active or completely avoid areas where dogs are regularly walked, even in the absence of the dogs.”
Dog waste also contributes to pollution in waterways and inhibits plant growth, while wash-off from chemical treatments used to clean and guard dogs from parasites can add toxic compounds to aquatic environments.
“In addition, the pet food industry, driven by a vast global dog population, has a substantial carbon, land and water footprint.”
Associate Professor Bateman said addressing these challenges required a careful balance between reducing environmental harm and maintaining the positive role of dogs as companions and working animals.
“Dogs are incredibly important to people’s lives and their roles range from providing companionship to contributing to conservation efforts as detection dogs,” Associate Professor Bateman said. “However, the sheer number of pet dogs globally, combined with uninformed or lax behaviours by some owners, is driving environmental issues that we can no longer ignore.”
The study also sheds light on barriers to sustainable pet ownership, finding that while the dog food industry is a key factor in national sustainability action plans, only 12 to 16 per cent of dog owners are willing to pay more for eco-friendly pet food, largely due to rising costs. Additionally, a lack of awareness among owners about the impact of dogs on the environment compounds the issue.
“Many owners simply don’t realise the environmental damage dogs can cause, from disturbing wildlife to polluting ecosystems,” Associate Professor Bateman said. “Others may feel their individual actions won’t make a difference, leading to a ‘tragedy of the commons’ where shared spaces like beaches and woodlands suffer cumulative degradation.
Restrictive measures, such as banning dogs from sensitive areas are necessary for protecting vulnerable species but they are not a complete solution. “We are calling for a collaborative effort between dog owners, conservation groups and policymakers to develop strategies that balance pet ownership with environmental care.”
The paper, ‘Bad Dog? The environmental effects of owned dogs,’ has been published in Pacific Conservation Biology and can be found online here: https://doi.org/10.1071/PC24071.
Pet Care
4 Vet-approved tips to show your pets love
Consider these vet-recommended ways to show your pets just how much you love them.

For pet parents, every day is another chance to shower their pets with love.
But as FYI: Did you know that in the US alone, people spent a record $27.5 billion during Valentine’s Day, 32% purchased gifts for their pets, according to an annual survey conducted by the National Retail Federation and Prosper Insights & Analytics.
“Dogs are very in tune with their pet parents’ emotions,” said Dr Aziza Glass, expert vet for Freshpet. “Pups are sure to feel the love from the actions and little things pet parents do.”
Consider these vet-recommended ways to show your pets just how much you love them:
- Cook a batch of pet-friendly treats: Since the classic Valentine’s Day gifts of chocolate and candies are out of the question for dogs, homemade treats are a great alternative. Dehydrated veggies and fruit treats are easy options. All you need to do is choose pet-safe fruits and vegetables and bake them for a few hours. Some pet-friendly foods include strawberries (loaded with vitamins C, B1, B6, K and more), cranberries (include antioxidants to help prevent inflammation) and beets (packed with fiber, vitamins and minerals).
- Switch to a fresh, healthy diet: The way to your pet’s heart is often through his or her stomach. One of the best ways you can show your love is by making the switch to fresh food like Freshpet, the leading fresh pet food brand. Freshpet is not only nutritious, but also made with fresh meat and veggies, so it’s great for picky eaters.
- Create sustainable DIY toys: Sure, you can buy your pup a new toy this Valentine’s Day, or you can make your own with items lying around your house. It’s quick and easy to make a crinkle chew toy. If your dog likes that crinkle sound, try covering an empty plastic water bottle with a sock or two. Your dog will go nuts for the sounds it makes when chewing and it’s a green way to reuse before recycling.
- Plan a doggie play date: Socialization is important for everyone – dogs and humans alike. Head to a nearby dog park or plan a play date with some neighborhood friends to get your dog out and playing with others. In addition to providing an excuse to run around with friends, your pup will thank you for it later.
By sharing these thoughtful gestures, dogs will be showering their pet parents with kisses, which triggers endorphins in both dogs and humans, reinforcing the bond between the two even more.
Discover more ways to show your pets some love by visiting Freshpet.com.
Pet Care
How to protect your pet’s dental health
By the age of 3, 80% of pets experience some form of dental health issue, and the risk only increases as they age. However, for many pet owners, taking care of their four-legged friends’ oral health is a more difficult habit to maintain than their own daily brushing and flossing routine.

Like humans, pets’ oral hygiene plays an important role in their overall health and quality of life. Common conditions like plaque buildup, tartar and bad breath can escalate to serious health conditions if untreated.
In fact, by the age of 3, 80% of pets experience some form of dental health issue, and the risk only increases as they age. However, for many pet owners, taking care of their four-legged friends’ oral health is a more difficult habit to maintain than their own daily brushing and flossing routine.
Many veterinarians recommend regular brushing for pets, and a wide array of treats and meal additives complement brushing to help support your pet’s oral health.
Protecting your pet’s oral health begins by talking with your veterinarian, who can provide recommendations tailored to your pet’s specific needs. With that guidance, you can start comparison shopping and reading labels so you can identify quality products. Remember you’re likely to find the greatest success by introducing oral health products as part of your pet’s daily routine early on.
Certifications for Trust and Quality
Products that meet high standards are eligible for certifications that assure consumers about their quality and efficacy. For example, the VOHC (Veterinary Oral Health Council) is an independent organization that evaluates pet dental products. Their Seal of Acceptance is awarded to products that meet strict standards for controlling plaque and tartar. You can find the seal on packaging as an easy visual indication of the product’s quality standards.
Natural, Effective Ingredients
Look for products that prioritize safety and health by offering natural, clinically proven ingredients and no artificial additives or chemicals. Seaweed (or kelp) is a preferred ingredient because it contains minerals and enzymes that help reduce plaque and prevent bacteria.
You can find 100% natural and organic kelp in products like ProDen PlaqueOff®, which includes A.N ProDen®, a kelp ingredient sustainably harvested from specially selected locations in the pristine North Atlantic waters off the Scandinavian coastline. Processed through a specialized method in extreme environmental conditions, it attains peak quality and effectiveness, ensuring safety and health for your pet.
Sustainable Practices
Another detail you can gather from the product’s packaging is whether a product manufacturer adheres to environmentally friendly practices and safe ingredient sourcing, which means the product is not only good for pets but also for the planet. This may be evident in certifications or special icons on the packaging, through information about sustainably harvested ingredients or with packaging that itself is environmentally responsible.
Tailoring to Individual Pets
Different pets have different needs based on age, size, breed and oral health status. Selecting the right product may also be complicated by your pet’s allergies or picky eating habits. You can find a variety of ingestible options, including powders, chews or bones like those offered by ProDen PlaqueOff®, to use in conjunction with daily brushing.
- Powder: Ideal for a seamless addition to your pet’s diet, this is the most economical choice, particularly for long-term use. It’s especially suitable for younger pets as a preventive measure, given its longevity and cost-effectiveness.
- Chews: For those looking for an easy-to-administer option that doubles as a reward, chews are the way to go. Additionally, for older pets or those with missing teeth, soft chews can offer a gentle yet effective way to maintain oral health. They’re a convenient choice for pet owners to give as a daily dose without the need for measuring or mixing.
- Bones: Designed not only to satisfy your dog’s natural chewing instincts but also to aid in dental care, bones are a perfect option for pet parents whose dogs prefer a longer-lasting treat. Bones come in a variety of flavors and sizes, catering to both large and small breeds, making them a versatile way to help keep your dog’s teeth clean and their breath fresh.
Learn more about protecting your pet’s dental health at us.swedencare.com.
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