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Have a question? We’ve probably already answered it. Check here for the answers to our most frequently asked questions:

  • Isn’t ‘breast always best’ for babies or infants?

    Without doubt, breastfeeding is best for babies as mother’s milk provides the optimal balance of nutrition and protection during growth and development. Mums must eat a healthy, balanced diet in preparation for and during breastfeeding. We know that every family has different social, financial and health considerations, and we always recommend that you seek professional medical advice before deciding upon partial or exclusive bottle feeding. Once you have received that advice, if you decide to use any infant formula, always make sure you follow the manufacturer’s instructions to ensure the health of your baby.
  • How many feeds will one tin of formula provide?

    How long a formulation lasts depends on a number of things - which stage, whether you are exclusively formula feeding or mixed feeding and most of all your child's appetite. For example , for stage 3 our milk drinks would last a toddler between 6 to 8 days if you were following the feeding guide. While a can of stage one would last a new born 2 weeks and a 5-month-old baby around a week following the feeding guide.
  • How long does a can of formula last?

    The bottom of the can will show the expiry date, however once the can is opened, it should be used within 4 weeks, if the lid is sealed tightly after each use
  • Where can I buy your formula?

    It is available in selected pharmacies and you can also buy it online at The list of stockists is changing all the time. It is best to call your local pharmacy to see if they stock the product you want, and if not, you can buy it through our website.
  • Which Blue River formula is best for my child?

    All our formulations are designed to support you baby’s healthy development. Which formulation suits your child best will depend on the individual. One important consideration will be milk source.

    Some people are more comfortable drinking milk from one animal compared to another (such as sheep rather than cow milk) while others will be equally happy to enjoy milk from any animal.

    Choices that we offer include:
    • Sheep milk only
    • Goat milk combined with sheep and goat whey
    Breast milk is always the best choice for babies. However, if you have chosen to try an infant formula, in our range we have added particular ingredients to help ensure we are providing the best product we can.

    Once you have decided about the type of formula you wish to use, then ensure that you choose the one to suit the age of your baby. This is clearly marked on the front of the can.
  • Is Sheep/Goat milk, A2?

    Cow milk is generally made up of both A1 and A2 (beta casein protein).

    A1 is the result of a genetic variation that is now prevalent among dairy herds.

    While A2 beta casein does not necessarily provide health benefits, many people feel they experience difficulties when they have A1.

    Hence the popularity of cow milk which has been bred to have A2 beta casein only (and not the seemingly less tolerated A1).

    Like in A2 milk, the type of beta-casein in sheep and goat milk are not A1 betacasein. Humans, sheep and goats are sometimes referred to as ‘A2 like’, however they are slightly different (they are from different species after all).

    So no, technically sheep and goat milk do not have cow milk A2 beta casein protein, but more significantly - nor do they have A1 beta casein.
  • Other goats milk formula claims to be A2, why is Blue River not?

    The benefits of the ‘A2 milk’ is the fact that it doesn’t contain A1 protein, which is thought to cause symptoms of intolerance. Goat milk does not contain A1 protein either. And because it does not contain A1 it will not cause the same symptoms in those who are sensitive to A1. Because of this, some goat milk manufacturers are happy to say that goat milk is A2 (as it does not contain A1), however, we choose not to.

    All milk from goats has a similar profile and does not contain A1 beta casein.
  • Do your products contain:

    Gluten? No

    Soy? Yes - Soy lecithin is used as an emulsifier in our vegetable oil blend to help the formula mix more easily.

    Nuts? No.

    Wheat? No.

    Eggs? No.

    Fish? No. Our DHA and ARA are sourced from algae, not fish.

    Milk? Yes – all our products contain milk from various species - all of which should be avoided by someone with a genuine milk protein allergy.

    Lactose? Yes – all our products contain lactose from various species.
  • Are your cans/ lids/ scoops recyclable?

    Yes. Our cans, lids and scoops are all recyclable. Ensure they are clean and put them in your recycling bin when finished with them.
  • Where are your products made?

    We manufacture and pack all our formulations in Invercargill using local and imported ingredients.
  • Where does your milk come from?

    At Blue River, we aim to make the best formulations we can and that starts from choosing the best ingredients. Whilst there is a vast number of sheep in New Zealand, they are not the kind that you milk and there isn’t a vast supply of sheep milk, therefore, we source our sheep and goat dairy ingredients from countries around the Mediterranean. Their age-old expertise in the milking of sheep and goats ensures we always have access to high-quality ingredients including whey, which isn’t available in New Zealand.
  • How are the sheep/goats farmed and fed?

    We’re proud to source our sheep milk from regions where the farming systems are extensive (outdoor) and the animals are predominantly grass fed. Goats prefer a housed environment and are usually farmed that way in most countries (for example, if a herd of goats were in an open field where there was a shed in the middle, the goat would naturally congregate in that shed).
  • Does sheep milk have less environmental impact than cow milk?

    Yes, research shows that the environmental impact from producing the sheep dairy ingredients used in a can of sheep milk formula is less than half compared to making a can of cow formula.
  • What is Blue River Dairy doing about Covid-19? Are your Blue River products at risk from Covid-19?

    Covid-19 is a global health concern which we are taking very seriously. Fortunately, our established manufacturing and ingredient sourcing processes are extremely quality focused and hygienic. Our environmental hygiene practices and the critical control points in our manufacturing are designed and monitored to prevent pathogens of any kind entering our plant or product. We are also strictly following all New Zealand Ministry of Health advice relating to Covid-19.
  • Can I dilute the formula if my baby is constipated?

    No, never dilute formula unless under the recommendation of a pediatrician. The formula provides all the nutrients essential for baby to grow and develop. If you want to increase your baby’s fluid intake, then you should offer cooled boiled water between feeds.
  • How do I know if my baby has colic?

    Colic is when a baby cries for several hours a day and no other cause for the crying can be found. Your baby may draw their knees up and be hard to comfort. This may be followed by a peaceful period and then the crying starts again. The cause of colic is unknown. It is more common in the first few months of life at the same time of day or night. It can be stressful caring for a baby with colic, if you need extra support or advice see your health care professional.
  • My baby is constipated / has trouble pooing, why might that be?

    Your baby’s poos should be soft and not difficult to pass. Babies can go for days without pooing – it doesn’t always mean they’re constipated. It’s normal for breastfed babies to poo anywhere from once every 7–10 days to as often they have feeds. Formula-fed babies usually poo between once every second day and 3 times a day.

    It’s common for babies to strain a lot when they poo. If their poos are soft, they aren’t constipated.

    Constipation is often caused by changing diet, milk or foods.

    Your baby may be constipated if he or she strains to pass a bowel motion, and the bowel motion is dry and hard, like small round pellets. It usually means your baby is not getting enough fluid. Things to try if you think your baby may be constipated:

    1. The first thing to do is check you are making up the formula correctly. Make sure you measure the water first, then add the powder. Take care to use the correct scoop, do not over-pack the scoop (e.g. do not tap and refill scoop), do not tap the full scoop on the side of the can or with a knife, and level the top off correctly.

    2. Do not add anything else to the bottle other than what is instructed (i.e. water and formula).

    3. Offer 50ml of cooled boiled water between formula feeds twice a day for a few days as well as baby's normal feeds.

    NOTE: If baby's constipation continues or your baby is showing signs of illness, make sure you have your baby seen by their health care professional.
  • My baby is spitting up a lot, is this normal?

    Spilling after a milk feed is very common. Usually, if baby is happy and well and growth is normal, then spilling isn’t a problem, more of a messy nuisance. However, if your baby is spilling lots of milk after every feed, seems to be in pain or isn’t growing well, see your health care professional for more advice. Your baby may have reflux and need medication to help reduce the symptoms.

    Some tips that may help include:

    • Burping your baby after every feed.
    • Keeping them upright for about half after a feed; try a front pack if you can’t hold them.
    • Try smaller more frequent feeds.
    • Check there isn’t anything too tight around their tummy i.e. clothing or nappies.
  • My baby’s poo is green / a different colour, why?

    Babies poos differ significantly. They can change from day to day. The colour of poo can vary from yellow to green to brown. Green poos are common in a well baby. However, sometimes the green colour may be caused by a feeding problem or illness. If you are worried, talk to your health care professional.

    If you have been breast feeding, it is likely that your babies’ stool will be yellowish and runny but if you change to formula, their poo is likely to be firmer and darker in colour. It is likely to change again once solid foods are introduced. A change in colour of poo is normal.

    However, if you are really concerned, or of the poo is white or cream colour, see your health care professional.
  • My baby has diarrhoea, why might that be?

    If your baby has diarrhoea, continue to offer baby breast milk or formula feeds as usual. Offer extra drinks of cooled boiled water between feeds. If diarrhoea continues for more than 24 hours, or if you’re concerned, take baby to your health care professional.
  • My baby is not sleeping since using formula

    This can be difficult as sleep is important for both your baby and you. There are several reasons why your baby may be waking or not sleeping, unrelated to change to formula. However, your baby may be digesting the formula more slowly or differently and therefore become temporarily unsettled. They may need longer being winded or may need feed at a time that is not as close to when they are going to bed. If they seem in pain or you are concerned about their lack of sleep, then see your health care professional.
  • My baby has colic – what do I do?

    Unfortunately, there is no cure for colic. It usually passes after a few months. Your baby isn’t at risk of harm but it can be quite distressing.

    Ensure that you are burping your baby as this can cause wind and pain if not done correctly. Sometimes changing their bottle can help as they may be taking in too much air.

    If you are finding it difficult or are really concerned about your baby, see a health care professional.
  • I have a question that is not answered here.

    We have done our best to answer the most frequently asked questions here, but if you have another question, please call our Careline on 0800 258 374.