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.
Subclinical, or chronic, ruminal acidosis is best described as a syndrome related to a fermentative disorder of the rumen.
Many programmed breeding programs have been introduced to synchronize estrus and ovulation and minimize time spent for heat detection.
There is need for building more "clocks" - dairies where management and business succession go hand in hand with the transfer of assets and land.
A systematic comparison of the benefits of robotic milking systems and new traditional milking systems.
Anaerobic digesters for manure are not new, although in recent years there is a better understanding of the proper operation and maintenance of digesters for higher levels of efficiency.
Agriculture in Pennsylvania will be impacted by various air quality and emissions regulations. This article will discuss the Clean Air Act, particulates and ammonia, and their relationship to Animal Feeding Operations (AFOs). Other agricultural operations including field crops, horticultural crops and mushrooms may also be impacted.
Strategies that increase feeding time during this critical period may be useful in increasing DMI.