Medi-Dart Logo - Make your medication go farther Medi-Dart
crossbow medi-dartsubcutaneous needleusing the extension medi-dart

Introducing the
Medi-Dart Crossbow

Click here for more information on the Crossbow Medi-Dart
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The Only Self-Ejecting System   

What is Medi-Dart
How it Works
Specifications and Pricing
Ordering Information
Other Resources (links)
Other Resources (links)


Treat your cattle in all the right ways, in all the right places

Frequently Asked Questions

  1. How does the dart come out of the animal?

    A stainless steel loop around the needle is attached to a valve behind the needle (inside the syringe). When the needle goes into the animal, the loop is pushed back, opening the valve. The air pressure can then move the plunger ahead to inject the medicine. At the end of the injection the plunger will close the valve and push the loop out, pushing the needle out of the animal. Your dart falls to the ground and you pick it up. Please see the 'How it Works' page.

  2. How does the medicine get injected?

    Air pressure. A simple bicycle pump comes with every kit. You simply pump the dart up as you would a football or a basketball. There is no cost per shot.

  3. Can the Medi-Dart inject thick medication?

    Yes. The Medi-Dart can inject anything you can inject.

  4. How does the needle stay in the animal?

    The Medi-Dart needle is designed specially. It is machined at the front, so the tip of the needle has a smaller diameter. There are small grooves, like a ring nail (or a screw), that hold the needle in the animal while the shot is being given.

  5. How long does it take for the Medi-Dart to give the injection?

    The injection speed is about 10cc per second.

  6. What happens when you miss?

    Nothing. If the loop around the needle is not pushed back the valve cannot open, so the injection can not start. The medication will not be wasted.

  7. What happens when an animal steps on the dart?

    Nothing. Medi-Darts are made with a high impact plastic. Cold temperatures, -30 degrees celcius for example, do not affect it’s properties. The Medi-Dart will not crack or break should an animal step on it. We have a 1 year warranty on the plastic.

  8. Does using the Medi-Dart make your cattle wild?

    Actually the opposite is true. Treating your cattle with the Medi-Dart can reduce the stress factor. With the Medi-Dart, only the animal that needs the shot is affected. Instead of riling up the herd to treat one, you just treat the one. The Medi-Dart is quiet so the animal getting the shot will jump a couple of times, the dart drops off and it can resume life as usual. For example: If you were checking the herd and noticed one that needed a shot of antibiotic you could drive up and treat it. By giving the animal the shot in this method the animal does not associate you with the shot. Please see 'Testimonials'.

  9. Is the Medi-Dart hard to maintain?

    No. The Medi-Dart comes apart and goes back together easily. It is easy to clean.

  10. Can the Medi-Dart give a subcutaneous injection?

    Yes. By changing the intramuscular needle (that comes with the kit) to our subcutaneous needle. The Medi-Dart subcutaneous needle has a solid tip and 2 holes at the side, about ¼ of an inch back from the tip. The medication comes out in 2 directions perpendicular to the needle. Shots should be given in the neck.

Please call our toll free number, should any question you have is not answered here. Our friendly and knowledgeable staff would be happy to help. 1 888 778 7757