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Wombaroo Guinea Pig Milk Replacer 190g

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Wombaroo Guinea Pig Milk Replacer is a nutritionally balanced milk substitute for guinea pigs. Use for orphaned pups, large litters or when mother's milk is limited.

Key Features:
  • Specifically formulated to match the composition of guinea pig milk.
  • High in Protein Content - to sustain the rapid growth of pups.
  • Contains stabilised Vitamin C - an essential nutrient for guinea pigs.

Success in hand-rearing young guinea pigs (pups) greatly improves if they receive colostrum at birth. Pups that don't get colostrum from the mother can be fed Impact Colostrum Supplement. Commence feeding Wombaroo Guinea Pig Milk Replacer after the initial feeds of colostrum.

Making up Milk:

To make 1 litre of milk: Add 190g of powder to 850ml of warm water.

To make 105mls of milk: Add 20g of powder to 90ml of warm water.

Add half the water to the powder first and mix to a paste. Then add the remaining water and mix thoroughly. Pre-boil the water to ensure it is sterilised. If the water is too hot it can cause the milk to curdle. If it is too cold then it will be difficult to disperse the powder. Wombaroo contains elevated protein levels, so the milk needs to be well mixed to prevent it from separating out. An electric whisk can be used for mixing larger quantities. Milk can be stored in the fridge for a day or can be frozen for up to 2 weeks. It is useful to make-up larger quantities and store it frozen in small portions (eg ice cube trays), so that the required daily feed volumes can be easily thawed out. Once thawed out, discard any unused milk, and wash feeding utensils thoroughly.


Warm milk to about 35°C. Feed from a syringe or bottle with teat, a Wombaroo P Teat is recommended. Feed every 2-3 hours for the first 5 days, reducing this to every 4 hours thereafter. Once significant solid food is being consumed the quantity and frequency of milk feeds can be reduced accordingly. Pups will need to be stimulated to defecate and urinate in the first week of life. As pups are well-developed and mobile, they may be encouraged to lap soon after birth. To avoid dehydration during periods of hot weather supply plenty of fresh water. Consult your veterinarian or breeder for particular advice about caring for young guinea pigs.


Different breeds of guinea pigs have different growth rates. Carers should contact their veterinarian or breeder for information about the growth rate of their particular breed. Weigh pups regularly to verify weight gains and determine the volume of milk to feed. Overfeeding milk can cause diarrhoea so feed the suggested volumes in our tables.


Pups may begin to show interest in solid foods around 2-3 days of age. Ideally pups should have access to caecotrophs (caecal pellets) from a healthy adult animal to help establish the correct gut flora. Initially establish young guinea pigs on hay, green leafy vegetables and some pellets. Once they start to eat solid food continue to increase solids and reduce milk intake until they are fully weaned at around 14-21 days. Avoid any foods containing high levels of starch or sugars (eg root vegetables, grains or fruit) until fully weaned. Because of their ability to eat solid foods from an early age, many carers will tend to wean guinea pigs early (around 5-7 days). However this practice restricts protein intake at the peak growth stage, and may lead to developmental problems and even stunting of growth. We recommend to maintain pups on some milk for as long as possible (up to 21 days) as is the case with mother-reared pups.

SIZE: 190g

Customer Reviews

Based on 1 review
Laraine Green (Queanbeyan, AU)
The Next Best Thing!

Love this little cavy was just 2-days old when I received him and all bones, no spark in him at all; seems he had little nourishment from his mother and needed some extra help.
I had him on Whiskers kitten milk via a dropper for a couple of days, just until I could get this Wombaroo Guinea Pig Milk Replacer (plus bottles and teats) from Vetnpetdirect. He took to it beautifully and hasn't looked back!! He's now a happy little ball of fun at 3 weeks of age, full of energyI
1 Box has lasted him well into the the 3 week mark, just in time for weaning.
I highly recommend it as the next best thing to mothers milk.
Service from Vetnpetdirect was swift, price was great and the whole process was easy; I really appreciated the option for Express Post too - so thank you!