Virbac New Zealand

Trace Elements

SMARTShot® B12 Prime Lamb

Long-acting vitamin B12 injection

  • Cattle
  • Sheep
  • Injectable
  • NZ Made
    NZ Made

SMARTShot® B12 Prime Lamb is a long-acting, vitamin B12 injection for cattle and sheep. SMARTShot® B12 Prime Lamb provides supplementation of Vitamin B12 for up to 6 months in sheep and 3-4 months in calves.

  • World-first microencapsulation technology
  • Vitamin B12 levels are maintained for 6 months in replacement lambs injected with 1 ml at docking/tailing
  • Flexible treatment options – you can tailor dose to suit length of efficacy required in lambs
  • New Zealand developed, trialled and made


Shake well before and during use to ensure the product is fully re-suspended. Administer only with Virbac premium or Acu-Vax injector, by subcutaneous or intramuscular injection into the anterior half of the neck. Sterilise all injection apparatus before use. Needles should be changed frequently and as necessary.

  • Lambs that are to be fattened for slaughter: 0.5 ml at docking
  • Lambs that are to be kept as ewe replacements: 1 ml at docking or weaning
  • Ewes: 5 ml
  • Calves: 1 ml per 25 kg bodyweight


  • Milk: Nil
  • Meat: Nil


Available in 500 ml plastic pillow packs


To learn more about SMARTShot® B12 Prime Lamb, download the Product Profile below and talk to your Vet.


Download SDS

Download Product Profile


Registered pursuant to the ACVM Act 1997, No. A9984.

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