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.
The opportunity exists to improve reproductive performance as measured by days to last breeding, calving interval, and 21-day pregnancy rate.
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.
The dairy industry is struggling more than ever with low milk prices and high operating expenses.
Our students excelled in a variety of areas, including earning first place overall in the Outstanding Chapter competition for the third consecutive year.
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.
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.
The debate of organic vs. inorganic bedding and which has better udder health has gone on for some time.
It appears that linolenic acid is deficient in typical calf diets.
Dairy farmers – and other farmers too – should not be paying Pennsylvania sales tax on electricity!
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.
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.
Evidence has been accumulating that lactating cow mortality rates have increased more than 2 fold since 1980.
What can the active compounds cinnamaldahyde and eugenol found in essential oils do for your dairy cows?
Dr. Kevin Harvatine was recently hired as an Assistant Professor of Nutritional Physiology by the Department of Dairy and Animal Science.
Progress is be made to understand more about this condition and treatment strategies have improved but diagnosis of the type of cysts is still a challenge. However, culling chronically cystic cows, developing a strategy to avoid over conditioned dry cows and providing balanced transition cow ration will certainly help minimize periparturient problems so that the incidence of cystic ovaries remains low.
Penn State Dairy Extension is offering a new online tool to help dairy producers better manage feed costs during the current economic downturn.
That old saying, “What goes up must come down,” has been proven to be true yet again.
The time is right to review the concerns with ammonia emissions and the particular role of livestock in the global context of anthropogenic air pollution.
Genomic sire evaluations were released for the first time in January. Many people believe this will have the largest impact on genetic improvement programs since the advent of frozen semen.