Dairy Herd Management Articles:

Cattle value reduced after exposure to PI cattle 
New research shows that persistently infected cattle can actually decrease the profitability of surrounding cattle – even those that never develop the clinical disease.

Don’t let respiratory problems snowball
Pneumonia is the most important disease in calves older than 30 days and, according to the National Animal Health Monitoring System, results in an average loss of $15 per calf per year. The challenge in controlling this disease is to catch it early, as the growth rate of respiratory bacteria can double every 30 minutes.

Calf respiratory disease scoring chart 
The University of Wisconsin Calf Respiratory Disease Scoring Chart includes scoring factors such as age, nasal discharge, eye or ear, cough (spontaneous or induced) and temperature. Full story.

Respiratory disease diagnosis 
A pharyngeal swab is a new tool that can help diagnose bovine respiratory disease.

A dairy producer’s view of respiratory disease 
Bob Patrick a veterinarian from Shamrock Animal Health Services Inc., in Georgia, says respiratory disease in dairy calves remains a large problem in the United States.

Identify and eliminate PI animals 
Persistently infected cattle are the main reservoir for BVD, and this is a potentially devastating disease.

How’s the air in there? 
Ventilation in the two-year-old calf barn seemed satisfactory. Still, pneumonia was a prevalent problem among calves housed in the naturally ventilated barn.

Screen early for calf pneumonia
Dairy calf pneumonia is typically viewed as a post-weaning problem, but its origin and opportunities to prevent it begin at an early age.