Read the Progressive Dairy Canada digital edition


Find information about mastitis, transition cows, vaccination protocols, working with your veterinarian, hoof care and hoof trimming.


Mastitis is among the most costly diseases of dairy cattle.

It is a complex disease with many causes, many presentations and many treatment options.

Prevention remains the most effective means of controlling this disease.

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Commingling, or mixing cattle from multiple sources, occurs every day in the U.S. at livestock auctions, through direct cattle purchases, at shows and fairs and through contract rearing.

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Farmers’ behavioural health affects the animals they raise. Dog owners are well aware their pets sense how they feel.

Practitioners of artificial insemination of livestock have long known their stress levels affect the conception rate of the animals they are breeding.

Animals detect the tension of the people working with them. Reproductive success diminishes when the A.I. technician is stressed out.

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Does vaccination equal immunization? How do animals develop immunity? What challenges do animals encounter when trying to develop adequate immune response?

These questions come up occasionally as dairy producers are working with their herd veterinarian to develop a herd health protocol. Let’s start by going over some immunology basics.

Vaccination does not equal immunization. When we talk about immunization, we actually mean the protection from the invasion of a foreign protein into the body.

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Pinkeye in your cattle herd can rob you blind. A reduction in weaning weights greater than 40 pounds has been reported in affected calves.

These losses can be avoided if a complete preventative program is implemented.

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The Ontario Dairy Hoof Health Project is a successful applicant for one of several projects mandated by the Agricultural Biosecurity Program (ABP). The project was funded by participating members of the Ontario Hoof Trimmers Guild, The Agricultural Adaptation Council, Dairy Farmers of Ontario, EastGen and Grandview Concrete Grooving.

The Ontario Dairy Hoof Health Project was created to investigate cases of dairy cattle lameness due to claw lesions from structural damage to and/or infections of hoof (claw) tissues.

The project’s short-term goals were to:

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