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Dairy Digest

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.

December 15, 2009

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.

October 14, 2009

As an old saying goes, “without some sense of direction, you can wind up anywhere.”

October 14, 2009

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?

October 14, 2009

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.

October 14, 2009

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.

August 12, 2009

The opportunity exists to improve reproductive performance as measured by days to last breeding, calving interval, and 21-day pregnancy rate.

August 12, 2009

Research published in the July issue of the Journal of Dairy Science (Moore et al.) investigated the use of a Brix refractometer to manage total solids in nonsaleable milk fed to calves.

August 12, 2009

The dairy industry is struggling more than ever with low milk prices and high operating expenses.

August 12, 2009

Our students excelled in a variety of areas, including earning first place overall in the Outstanding Chapter competition for the third consecutive year.

August 12, 2009

Four individuals from Penn State's Department of Dairy and Animal Science received recognition at the annual American Dairy Science Association (ADSA) meeting in Montreal, Quebec.

June 11, 2009

A discouraging feature of recent visits to digester projects in Pennsylvania and neighboring states is that we are still seeing many of the “same olde mistakes and problems” on our digester projects.

June 11, 2009

The debate of organic vs. inorganic bedding and which has better udder health has gone on for some time.

June 11, 2009

Dairy farmers – and other farmers too – should not be paying Pennsylvania sales tax on electricity!

June 11, 2009

Life is all about choices. Some work out great, some not well at all. The key though is to always have a choice, because the alternative is not pleasant.

June 11, 2009

There are many different ways that we can reduce our carbon footprint, either on an individual basis, as a farm, an industry or even a country.

April 20, 2009

Evidence has been accumulating that lactating cow mortality rates have increased more than 2 fold since 1980.