UMBIREZ™ is the proven, superior alternative to iodine

Discover how UMBIREZ is transforming navel care and why it is trusted by farmers and vets worldwide.

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What is UMBIREZ?

UMBIREZ is a purpose-built navel hygiene product, suitable for all livestock species. It combines rapid desiccation with long-lasting protection to give your animals the best start in life.

Rapid dry time

Desiccates the navel in as little as 2 hours, reducing the number of applications.

Lick-deterrent

Contains a bitter agent to prevent maternal interference

Long-lasting

Coats and seals the navel after cleansing

Easy-to-use

UMBIREZ contains a blue dye making it easy to see which animals have had their navels coated. It can be used as a dip or a spray and comes in multiple pack sizes.

WHY UMBIREZ?

Where to buy

UMBIREZ is trusted by farmers and vets worldwide. To find information regarding distributors and stockists in your country please click here.

WHERE TO BUY

Real results on real farms

Hear from farmers who have made the move to UMBIREZ and are benefitting from superior navel protection:
HEAR FROM MORE OF OUR FARMERS
  • BEEF, UK

“Yes, try it: it’s better than the iodine you’re using at the moment”

Meet Mark Jelley, Perkins Lodge Farm and hear how his calf rearing benefited from switching to UMBIREZ...
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  • SHEEP, US

“Lambing moves fast, and you need products that keep up.”

When Tori Weaver heard about UMBIREZ, she was keen to introduce it into her protocols ahead of the lambing season. She needed a product that could meet the needs of a busy lambing period...
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  • DAIRY, UK

“It makes our calves more resilient”

Meet Jess and Paul White, the team behind New Buildings Farm in England. They calve approximately 200 cows in a Spring and Autumn block and moved to UMBIREZ in 2025....
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Trusted by vets

UMBIREZ was developed by NoBACZ Healthcare: a spin-out from the University of Cambridge. It has been extensively tested in real scenarios, on real commercial farms. In the largest ever navel protection study run by Dr Fiona Lovatt BVSc DSHP PhD DipECSRHM FHEA FRCVS, UMBIREZ demonstrated superiority over 10% “ strong ” iodine with

21%

lower
mortality

360g

heavier lambs
at 8 weeks1

In Calves

Rapid desiccation reduces risk of navel ill and number of applications needed2
With strong evidence behind it, and real-world success: it’ s clear why vets trust UMBIREZ on their clients ’ farms.
WHERE TO BUY

How did UMBIREZ perform in the largest ever navel protection study?

During the 2024-25 lambing season UMBIREZ was tested against 10 % iodine in the largest ever navel hygiene study, involving 6840 lambs enrolled, find out more by watching our video below:

  1. Lovatt, F. M., Powell, J. J., Bastos, C. A. P., & McCrone, I. S. (2025). Pseudorandomised controlled trial of a novel navel barrier solution versus 10% iodine to protect navel and ear tag sites of neonatal lambs. Veterinary Record. https://doi.org/10.1002/VETR.70169
  2. Charles, D. (2026, August). Assessing the impact of improved navel hygiene on calf health in a UK herd. American Association of Bovine Practitioners Conference, Minnesota, US