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The Colostrometer is a practical field method for quick and easy determination of colostrum quality prior to feeding the newborn calf. This simple method helps insure the successful transfer of immunity from cow to calf.  Use of the Colostrometer helps ensure that your calves are getting the adequate amount of antibodies through their colostrum. It also offers a chance to see how effective your vaccination programme is working and offer a chance at changing any shortfalls. It will allow for any colostrum that isn't up to standard to be separated and fed to older calves that have already been given quality colostrum. One of the primary reasons the Colostrometer has become such a valuable tool to calf rearers, is that it allows the timely feeding of only high quality colostrum to calves during their optimal absorption time frame of not more than 24 hours after birth.

How the Colostrometer works

Two factors are responsible for determining the quantity of Ig available to the calf: 1. Concentration of Ig in the colostrum 2. Volume of colostrum available. The newborn calf should be fed between 150 to 200 grams of Ig within the first 24 hours. The Colostrometer provides the user with the ability to see the quality of the colostrum by measuring the antibodies present. A simple green and red colour code makes the Colostrometer simple to use , even for a noviceIf the colostrum destock-mark registers in the green zone, or between 140 to 50 mg/ml, then a total volume between about 1.5 liters (1.5 quarts) to 3 liters (3 quarts) should be fed to the new born calf, respectively, to achieve a total of at least 150 grams of Ig. If the destock-mark registers in the red then this colostrum should not be given to the newborn calf at all.

Features of the Colostrometer

  • Easy to use
  • No guess work
  • Shows a minimum volume necessary 
  • Identifies poor quality colostrum
  • A color coded scale
  • Help improve calf rearing system

Delivery Information

Delivery Service

Here at Agridirect we have joined forces with DPD to ensure all packages are delivered promptly and safely to you. We ship to all mainland countries within the EU. Deliveries take place Monday to Friday excluding bank holidays. Once your order has been dispatched from our warehouse you will be notified by email. If there is a delay with your order for any reason you will be contacted immediately. 

Due to Brexit we are temporarily unable to ship to the UK. Shipping to Northern Ireland will remain in place.

Delivery Times
Ireland (ROI & NI)EU (Mainland Only)
2-4 Working Days4-6 Working Days

Some product have an extended delivery time, this is noted on the products.

Delivery Rates

CountryOrders Under €99Orders Over €99
Ireland (ROI & NI)€6.99€0.00
Czech Republic€19.99€13.00


A selection of the products we sell are only licensed for sale within the Republic Of Ireland and can not be shipped outside of the country. These products are noted as only being available within the Republic of Ireland on the individual product pages.

There may be an addition charge on certain bulky items. This charge will be clearly marked on an applicable products and will be explained on the checkout page before payment has been made.

Agridirect Returns Policy

We’re sorry your purchase didn’t work out. But don’t worry; we have a great returns policy to help you out, plus returns are free.

All purchases can be returned to us within 14 days of delivery and returned goods must be received within 14 days from the date you informed us of the return.

Purchases may be opened for inspection but must not be used and must be repackaged securely in the original packaging if you wish to return it.

If we discover goods have been used or there has been a loss in value of the goods due to damage to the goods, while in your care or whilst being returned to us, we will reduce the amount refunded, which may amount to the full cost of the product, to cover loss of value of goods.

All returns should be complete which includes boxes, manuals and accessories that may have been included with the order.

All returns must be packaged appropriately for shipping, we will not accept responsibility for damages or loss which occur during shipping of a return product.

We accept no responsibility for goods damaged or lost while in transit to us. 

How do I return a product?

Making returns to us are free, simply follow the steps below and bring your package to an official DPD pickup point.

  • All returns must be accompanied with a fully filled out returns form which can be downloaded here.
  • To print off your return label click here or visit and follow the on-screen instructions. Make sure and use your order number as your reference.
  • Bring your package to a DPD pickup point. To find your nearest drop off point here.

Once the returned product has been received into our warehouse and been fully inspected a refund will be issued.

For the return of bulk products please contact us at

I have received a damaged product from you, what should I do?

First off, if you have received a damaged electrical product from us, do not plug it in. Any electrical products that are plugged in are deemed ‘as used and accepted’ and are not accepted as returns. All damages must be reported to us via phone or email within 24hours of receipt of goods. Please ensure you check your items upon delivery.

How do I begin the returns process?

If you wish to begin the return process, please email us at and ensure the following information is included in your email. Your name, phone number, Order id, the item you wish to return, reason for return and if the product is damaged we require photos of the product.

Once you have sent us all required information a member of our team will assess your claim and will contact you as soon as possible. Please hold off on returning products until a member of our team has called you to confirm.


Once the returned product has been returned to us and fully inspected a refund will be issued.

Please Note: A typical timeline for a refund to show in your account is up to 10 working days from the date processed, depending on your bank.

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