DRL Offers Heifer Johne’s Testing


MAY 2023 HEIFER TESTING PROMOTION!   Use Paralisa™ testing to detect subclinical Johne’s infections earlier*. After 3 years of research, including over 8,000 animals, we are now offering our combined Paralisa™ + absorbed ELISA testing for heifers 18 months and older. Ask your animal health provider about incorporating DRL’s Paralisa™ …[Read more]

Johne’s Disease Diagnosis in New Zealand: An Update


DRL is an industry leader in diagnostic services for Johne’s disease in New Zealand, and the inhouse Johne’s diagnostic tool, the Paralisa™ test, has proven its strength in combination with commercially available ELISA tests.  Increasing test sensitivity allows farmers to identify animals in the earlier states of disesase (subclinical), and …[Read more]

Johne’s Control Strategies (Dairy Cattle) – Teagasc Ireland

Johne's Disease - a control strategy

A colourful and informative guide to Johne’s control produced by Teagasc Ireland for farmers and vets with clickable links for additional info. Johne’s Disease Control Strategies prepared by Teagasc Ireland.

Johne’s Disease FAQs (Dairy Cattle) from AHI

Animal Health Ireland - Johne's disease

Here is a link to a particularly useful and comprehensive resource for Johne’s disease information produced by Animal Health Ireland. Well worth a look if you’re looking for Johne’s info. Johne’s disease FAQs from Animal Health Ireland

It’s official – subclinical Johne’s disease in the herd is costing farmers money

BMC Veterinary Research article

Keeping the ‘R’ in DRL – DRL’s latest published study confirms that subclinical Johne’s disease in the herd is costing farmers money. Conducted in collaboration with Dr Andrew Bates at the Vetlife New Zealand Centre for Dairy Excellence our latest study charts the economic impact of sub-clinical infection with Mycobacterium paratuberculosis (MAP) on milk …[Read more]

DRL Taking Disease Expertise to the Dairy Industry

DRL in the University of Otago Magazine

From Deer Research Laboratory to Disease Research Limited: the DRL of 2018 owes a lot to the DRL of 1985… Read more about the evolution of DRL from University of Otago research laboratory to successful agri-enterprise. In the latest issue of the University of Otago Magazine “Our research has always …[Read more]

The hidden and often almost invisible disease scourge of Johnes Disease in breeding cows (dairy and beef)

The hidden and often almost invisible disease scourge of Johnes Disease in breeding cows (dairy and beef)

“Are you the owner of cattle – and have you ever had a serious look at your valuable engine room of breeding cows for Johne’s Disease (JD)? It may be a lot better or worse than you think, but one thing we cannot afford to do is to turn a blind eye.” Adrian Campbell, the Vetlife Practice Manager, has written a comprehensive article about the hidden cost of Johne’s Disease in breeding cows (dairy and beef).

Finding and Managing Johne’s Disease

Finding and Managing Johne’s Disease

Read this informative article by Gerard Hall that was published in the Farmers’ Weekly that details how DRL’s testing services have helped one South Canterbury dairy farmer get on top of his Johne’s problem.