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.
With the significant increase in adoption of resynchronization programs more routine determination of pregnancy status is being used.
For many producers across the state, it has been a struggle to maintain fat tests above a 3.4%. This has occurred on non-grazing herds and has been fairly consistent throughout the summer, regardless of temperature. This seems to be occurring more on herds feeding a high forage based ration and on an average milk production between 70 and 80 pounds. The one commonality is these herds are feeding corn silage. What are some issues that could be challenging butter fat percent?
The Heifer-Plus™ kit has become commercially available for treating bovine semen immediately post-thaw to alter the sex ratio of offspring.
We are coming into the summer months when the incidence of mastitis and the bulk tank somatic cell count tend to rise.
Pennsylvania consultants who are working with dairy teams to improve farm profitability can take advantage of the new web-based version of the Penn State Profitability Assessment Dairy Tool
A new tool designed to help evaluate the decision to feed pasteurized waste milk is available. This spreadsheet developed by Penn State and Virginia Tech extension educators calculates the cost of owning and operating a calf milk pasteurizer as well as costs to feed milk replacer or whole, saleable milk.
There are conflicting reports on the contribution of ruminants to greenhouse gas emissions (GGE). In these environmentally sensitive times it will help to put things in prospective.
Dr. Larry W. Specht, professor emeritus of dairy science, Penn State University, has compiled a history of polled Holsteins, naturally hornless cattle.
Your strategy should always be to optimize the use of energy to increase profitability and net cash flow.
Every dairy operation has its unique set of challenges; however there are a few management and nutrition options that can help maintain profit.
A properly designed and built tie stall barn can provide a comfortable and productive living and working environment for milking cows and their caretakers. There are several new resources available for those who are planning new or remodeled tie stall dairy barns.
There is little doubt that a major shift in the cost of producing milk has taken place and may continue for some time to come. Monitoring the COP for your dairy operation has always been important, but is even more so now.
Dr. Alex Hristov, Associate Professor of Dairy Nutrition, and Dr. Joy Pate, Professor of Reproductive Physiology and the C. Lee Rumberger and Family Endowed Chair in Agricultural Sciences
The USDA’s National Animal Health Monitoring System (NAHMS) recently published part one of the results of the Dairy 2007 national survey. This periodic snapshot of current management practices provides insight into current trends and changes over time.
This is the second in a series that will explore the use as well as discuss some of the controversies concerning antibiotic therapy in dairy cattle.
In light of the recent tragic death of a Pennsylvania dairy producer by a herd bull I feel it is important to review once again the costs and risks of having a bull on the premises.
Depending on which utility company provides your electricity, your rate cap protection may have already expired.
Within a certain range of temperatures called the thermoneutral zone or TNZ, calves can maintain body temperature without needing extra energy.
To keep calves healthy, everything comes down to good hygiene.