Edited by Dr. Jud Heinrichs, Professor of Dairy and Animal Science, Dairy Digest features articles by Penn State's experts in dairy management, engineering, herd health, and related areas. Dairy Digest has been published by the Department of Dairy and Animal Science and Penn State Cooperative Extension since 1963.
Manure nutrients, a valuable commodity in the past, are becoming an unwanted pollutant. The primary concern is with nitrogen and phosphorus which, through run-off and leaching of manure-amended soils, find their ways into ground and surface water.
High milk quality is a product of management and not treatment.
Conversations that your employees have off the farm reflect on you and your business and go a long way in shaping your image in the community. But you can’t control what employees say on their time off, right? Wrong.
Private companies and money sources supply the expertise, funding, equipment and management help necessary for the design, construction and operation of these plants.
Even under ideal weather and housing conditions pneumonia is often just around the corner.
Research published in the December issue of the Journal of Dairy Science evaluated the effects of cold stress on calf growth, health, and immunity.
Availability of corn distillers grains plus solubles has increased substantially and, consequently, the interest in using these feeds in dairy cattle diets has also increased.
I have had the privilege to visit numerous dairy herds which consistently achieve high milk production and excellent reproductive performance. This article lists the major common characteristics among these herds.
Although this may not be a fun thing to do in a year like this, NOT knowing how bad it was is worse than knowing.
We are all aware of the recent passage of Proposition 2 which banned the use of veal crates, battery cages, and gestation crates in California. Tie-stalls for dairy cows may not be far behind if the Humane Society of the United States (HSUS) has its way.
Researchers from the United Kingdom recently studied the impact of milk replacer feeding rate and protein concentration on animal performance through the second lactation.
Providing a dry comfortable resting area for dairy cattle is essential to their health.
See the Specht Report at http://dasweb.psu.edu/bullrank.
Dr. Michael O’Connor’s retirement at the end of December will mark the conclusion of a career that has significantly impacted Pennsylvania dairy producers.
As an old saying goes, “without some sense of direction, you can wind up anywhere.”
It doesn’t take a lot of cows to make biogas from manure. The real question is how does the capital and management cost of a digester fit into your farm business and management situation?
Nutrition has many effects on the health of the calf and improvements must be considered to reduce the high incidence of morbidity and mortality as found on dairy farms around the world.
Shrink is defined by Kansas State Extension Specialist Michael Brouk as the amount of feed delivered or grown on a farm that is never consumed. Brouk estimated that shrink may account for 5 to 30 percent of feed purchased.
The opportunity exists to improve reproductive performance as measured by days to last breeding, calving interval, and 21-day pregnancy rate.