Feeding your guinea pigs – why they don’t need life stage food

Unlike puppies, kittens and baby rabbits, baby guinea pigs are born fully formed and eat solid food almost straight away. So, what do they need from their diet? Did you know that baby guinea pigs are delivered fully formed with hair, their eyes and ears open and the ability to eat solid food from the day they are born? Although
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30th March 2023

Unlike puppies, kittens and baby rabbits, baby guinea pigs are born fully formed and eat solid food almost straight away. So, what do they need from their diet?

Did you know that baby guinea pigs are delivered fully formed with hair, their eyes and ears open and the ability to eat solid food from the day they are born? Although they require feeding from their mother, guinea pig babies are very independent from day one.

Guinea pig pups are usually fully weaned at around three weeks, and nutritious hay, guinea pig pellets and very small amounts of vegetables can be offered from birth. Information about the best food for young guinea pigs is shared by their mother – attentive young piggies will watch adults eating to learn what is safe.

A guinea pig lifespan is typically around five to seven years, and these timid but curious rodents are considered to be guinea pig adults when they reach around eight months.

A guinea pig’s independence and feeding habits are quite a contrast to many new-born animals.

  • Puppies are born unable to see, hear or regulate their body temperature, and go through great periods of growth and development throughout adolescence (which lasts until they’re around 18 months to two years, depending on the breed) before they become adult dogs.
  • Kittens are born blind and deaf with eyes closed and ears folded. In the first week of life, kittens stay close to their mother and do little more than sleep and eat. They don’t begin to eat mashed up kitten food until around five weeks, remain kittens until they’re 12 months old and are classed as ‘adult’ when they reach three.
  • Rabbit kits are born hairless, blind and deaf and remain in their nest for about three weeks (well-hidden by their mother who ignores them most of the day, feeding them just once every 24 hours to avoid attracting predators) before emerging fully furred and able to eat solid food. Like kittens and puppies, baby rabbits go through various life stages of growth and development – from junior, to adult (at around 18 months) to senior buns (from around age seven onwards).

Dogs, cats and rabbits can benefit from life stage foods

In fact, because of the many different stages they go through – from newborn to junior, adult to senior – pet animals such as dogs, cats and rabbits can benefit from being fed what’s known as ‘life stage’ foods – essentially, food that’s tailored to meet different nutritional requirements at each stage of their life. 

For example, puppies and kittens need extra energy and other nutrients to support rapid growth. Young bunnies need high nutrient levels that suit their high metabolism. As the growth phase slows, and if the pet is neutered, calorie intake needs to be reduced. Likewise, senior diets help support ageing pets with useful supplements, such as added glucosamine, for optimal joint mobility.

When it comes to guinea pigs, however, rather than needing life stage foods, these small rodents have very specific nutritional requirements that remain the same throughout their whole life.


Guinea pigs have long enjoyed the status of being one of the most popular pets. However, in order to help them live their best guinea pig lives, it helps to see things from their perspective. Find out what your guinea pigs want you to know >>


How to care for guinea pigs – what do they need from their diet?

Right from the day they are born, guinea pigs require a number of things from their diet.


Can guinea pigs eat bananas? Can guinea pigs eat apples? Can guinea pigs eat grapes? Can guinea pigs eat celery? What about strawberries, tomatoes, courgettes and cucumbers? And what fresh foods should you never give to your guinea pigs?


The ideal way to feed guinea pigs of all ages

To ensure your guinea pigs get everything they need from their food, your guinea pigs’ diet should consist of:

  • 85% -90% unlimited grazed grass (not grass cuttings) orhigh quality feeding hay. As a guide, provide each piggy with at least their own body size in fresh feeding hay every day.
  • A small handful of guinea pig-safe leafy greens, vegetables and herbs – around a teacup-sized amount a day per guinea pig. Greens and veg high in vitamin C are especially good, such as a small bunch of parsley, half a curly kale leaf, one small floret of broccoli or 1/8th of a green bell pepper.
  • Pelleted guinea pig food – around one egg cup a day per guinea pig. Guinea pig nuggets help ensure your piggies get all the vital vitamins and minerals they need. You can split their daily ration between morning and evening feeds.

You can also include some yummy, healthy guinea pig treats to add enrichment. These are great for hand feeding, helping you to build your bond with your guinea pig pals.

Your guinea pigs must also have access to plenty of fresh water at all times, supplied in pet drinking bottles which feature a solid sipper tube.


Feeding your guinea pigs – 6 top tips

  1. SWITCHING DIETS If you need to change your guinea pigs’ pellets or introduce any new fresh greens, this has to be done carefully. Any sudden changes can result in digestive issues which can become serious if not treated. It is going to take time to get your piggies used to their new diet, so allow 14-28 days for a full and safe transition.
  2. MOVE AWAY FROM MUESLI Muesli-style foods may seem like a healthy option for small pets such as guinea pigs, but this is actually not the case. Muesli-based diets encourage selective feeding, where guinea pigs eat some high starch/sugary components of the muesli mix, while rejecting the more fibrous pellets, leading to an unbalanced diet.
  3. CHOOSE HIGH QUALITY FEEDING HAY When it comes to selecting hay for your piggies, avoid cheap bedding hay, which has poor nutritional value. Instead, go for deliciously nutritious dust-free hay such as Timothy HayMeadow HayGreen Harvest HayHay with Dandelion & Marigoldor Hay with Hedgerow Herbs – all nutrient-rich options that have been grown and harvested specifically as feeding hay.
  4. CREATE SOME FORAGING FUN Guinea pigs love to search out titbits, so rather than putting their food in a bowl, place it around their enclosure, in their tunnels, in paper bags, cardboard loo rolls or under some hay, to encourage their natural urge to forage for food.
  5. FOLLOW THE EXCEL FEEDING PLAN The best way to ensure your guinea pigs are getting the correct diet is to stick to the Excel Feeding Plan, which was developed in conjunction with one of the world’s leading small animal vets, and will provide your piggies with the perfect daily balance of fibre and nutrition.
  6. KEEP A CLOSE EYE If your guinea pigs are refusing to eat their food this could be a sign something is wrong. Not eating can be a symptom of illness, including gut stasis, a serious condition where the gut slows down and stops moving. If you notice this, seek advice from your vet immediately.

Choose only the best for your cavy chums

When it comes to choosing the best guinea pig hay, food and healthy treats for your precious piggies, the Burgess Excel Guinea Pig range comes out on top. In fact, 92% of UK vets recommend our small pets range.

For guinea pigs, as well as a choice of yummy Nuggets with Mint or Blackcurrant & Oregano, there’s also a variety specially for indoor guinea pigs, which contains all the nutrients they would find grazing in the wild.

ORDER ONLINE and have your Burgess Excel guinea pig nuggets delivered straight to your door. Plus, you’ll get free delivery when you spend £20 or more. You can also Subscribe & Save 10% on every order of all Burgess Excel feeding hay for guinea pigs.


ARE YOUR GUINEA PIGS Burgess guinea pigs? Join the Burgess Pet Club for exclusive offers and rewards. 

DISCOVER lots more advice on caring for your guinea pigs >>

FIND OUT about creating high welfare environments that are designed to meet the behavioural needs of small animals such as guinea pigs >>

LET’S GET SOCIAL Sign up to the Excel Squeak Squad – a safe Facebook community for guinea pig guardians that are looking for advice and friendly discussions from likeminded owners – and there are lots of cute guinea pig photos and videos too! Also join us on the Guinea Pig Awareness Week Instagram.


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