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.
Diagnostic tests such as the Johne’s ELISA are used to tell us something about the “true” status of the animals being tested.
Updated dairy idea plans that include up-to-date research and field observations related to dairy cattle freestall design, dimensions and construction.
Using Resynchronization programs to efficiently manage open cows so fewer days are lost before rebreeding
Animals seldom get hurt when it is a convenient time or at a convenient location. The impact of animal injuries or disease can often be greatly reduced with prompt and appropriate treatment.
Selecting the best energy resources.
Helping your hispanic workforce understand our healthcare system and emergency protocol.
Ketosis is one of the most common metabolic disorders occur during the first month of lactation in high producing dairy herds. Ketosis is caused by negative energy balance due to insufficient energy intake to support energy output in milk after parturition.
There are varying opinions on the pros and cons of feeding straw, especially to the transition and high producing cow. When is the right time to consider using straw?
For many parts of Pennsylvania, drought has plagued crops since spring. It has been at least 2 years since many of us had to contend with drought stressed crops. As harvesting dates grow closer for corn and sorghum, keep in mind some points related to nitrate toxicity.
The heat and humidity this summer has severely affected reproductive performance. Lower pregnancy rates should be expected because of higher rate of fertilization failure and embryonic death.
You need to be aware that Pennsylvania enacted a new law called “Responsible Utility Customer Protection Act (RUCPA)” that enables utility companies to shut off utility services under certain circumstances.
Despite the cost and lower fertility of sexed semen, there are still many commercial applications with this technology.
Odor is a frustrating issue because we all have different opinions on what is a good or bad odor.
Think about the ramifications of dry weather on our haycrop forage, different feeding strategies will need consideration to compensate for the possible lower forage inventory.
You need to seek qualified legal advice on any contract that you are offered before signing.
They indicate that mycoplasma mastitis can be economically devastating to dairies because of its contagious nature and its resistance to treatment.
There is no simple answer to why reproductive performance is lowering for high producing cows.
A good freestall is important in milk production, reduced lameness and an overall healthy mobile cow.
The primary goals in milking dairy cows are to get as much milk as possible from each cow while keeping labor costs low and maintain high milk quality.