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Frequently Asked Questions

Lab-Sheppard Mix

In these unprecedented times we are all concerned about each and every member of the family, including the four-legged ones.  Our friends and expert partners at the Waltham Petcare Science Institute have been working tirelessly for more than 50 years to bring their scientific knowledge to benefit pets all around the world. Together, we are closely monitoring the latest events and scientific insights surrounding coronavirus. Please follow this link to Waltham Petcare Science Institute’s latest guidance on how to care for your pet during Covid-19.

Please check our FAQs list below to see if we have already answered your most common questions. If your questions are not answered, you can call us at 1 800 525 5273, or send us an email, and we will respond to your inquiry promptly.

The FAQs are organized in six major categories listed directly below. Click on one to see all the FAQs within that category or scroll through the page to view all questions.


What is the Waltham Petcare Science Institute?

For almost half a century, the Waltham Petcare Science Institute has led the world in advanced pet care research and companion animal nutrition. This includes conducting research into the nutritional requirements of dogs with leading academics and pet experts globally for publication. The Waltham Petcare Science Institute is responsible for the science behind all Mars Petcare pet food brands, including PEDIGREE® Food for Dogs. This helps in the development of the Brand's best dry recipe ever, and provides all dogs with access to professional nutrition.

What is the PEDIGREE® Brand's connection to the Waltham Petcare Science Institute?  

Does all science and innovation for the PEDIGREE® Brand originate at the Waltham Petcare Science Institute?


  Why did the PEDIGREE® Brand decide to develop these products?

We believe that every dog deserves leading nutrition. The researchers at the Waltham Petcare Science Institute have identified the four Universal Needs of Dogs: Skin & Coat, Oral Care, Digestion, and Immunity.


These needs were identified through a review of the Waltham Petcare Science Institute's robust body of research studies on the requirements of dogs of different breeds, sizes and life stages. Additionally, the Waltham Petcare Science Institute research has identified how we can deliver nutritional benefits that address those four needs. It is this research that went into making our best dry recipes ever.

What types of products are included in the dry product line?

What changes have you made to the ingredients to improve the PEDIGREE® Recipes?

Can all breeds of dogs eat the PEDIGREE® Dry Recipes?

Why are there two different formulas for different size dogs?

Where can I go if I have questions?


I've heard I should not feed my dog food with corn in it.  Is this true?

Corn is an excellent source of protein and energy in a balanced diet. It provides essential amino acids and carbohydrates (including fiber for healthy digestion) as well as being a good source of linoleic acid (a key driver of skin and coat health) and antioxidants (important for a healthy immune system).


I've heard that most dogs are allergic to corn and wheat. Will my dog develop these allergies if I feed him food that contains one or both of these?

  What are meat by-products? Why are they used in dog food?

I've heard that I should only feed my dog food that has "meat" listed as the first ingredient. Is this true?

What is meat meal?

Does the PEDIGREE® Brand use fillers in its food?

Why are artificial preservatives (BHA and BHT) included in PEDIGREE® Products?

Can I feed my dog expired food?  

What is the shelf life of PEDIGREE® Dry Products?

What is the shelf life of PEDIGREE® Wet Products?

Are artificial food colorings safe for pets?


Why is pet oral health important?

Poor oral health can lead to red, swollen gums, bad breath, tooth loss and—if left untreated—has been associated with the development of more serious issues like heart, lung and kidney problems. Just like in humans, poor oral health can also lead to pain, which can reduce overall quality of life. In fact, 4 out of 5 dogs over the age of three may suffer from some level of gum disease.*


This is why the improved PEDIGREE® Dry Recipes have been formulated to meet the Four Universal Needs of Dogs, which includes Oral Care;

What can pet owners do to take care of their dog's teeth?

Why is caring for the skin and coat important?

Why are Linoleic Acid and Zinc important to skin and coat health?

Why is it important to protect a dog's immune system?

Why are Vitamins E and C important to immunity defense?

What ingredients in the improved formula promote healthy digestion?

I've been feeding my dog the same food for years. I'm worried about upsetting his stomach by switching to a new food.


What is The PEDIGREE® Adoption Drive?

The PEDIGREE® Adoption Drive is a fund-raising and education campaign focused on the cause of shelter dogs and breed rescue dogs. Through no fault of their own, more than four million dogs end up in shelters and breed rescues every year. Sadly, nearly half of those canines never find a place to call home, a trend that the PEDIGREE® Brand hopes reverse. For the past 6 years, with the help of dog lovers across the country, we have been proud to raise more than $6 million dollars for the cause.


Through this program, the PEDIGREE® Brand is raising awareness for the plight of America's homeless dogs and hopes to encourage those who are ready to bring a dog into their lives to consider adopting. Click here to learn more about how you can help us help dogs.

How can I get involved?


What is The PEDIGREE Foundation?

The PEDIGREE Foundation is a nonprofit organization dedicated to helping dogs in need find loving homes by supporting the good work of shelters and dog rescue organizations around the country. Through no fault of their own, more than four million dogs end up in shelters and rescue organizations every year, and nearly half of them never find a place to call home.


The Foundation provides grants to 501(c)(3) shelters and dog rescue organizations nationwide and encourages dog lovers to adopt, volunteer, and donate to support the cause. For more information or to make a tax-deductible donation online, visit All donations help us help dogs.

Why did the PEDIGREE® Brand create The PEDIGREE Foundation?

Do all the proceeds from The PEDIGREE Foundation go directly to dog shelters?

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