Penn State University | The Dairy Site

Penn State University

Grazing management for organic, grass-fed or conventional dairies

14 May 2025

6 minute read

How Long Should the Dry Period Be?

Herd Management Production Stages Dry Cow Management

6 May 2025

5 minute read

Historically, many farmers have aimed to have a 60-day dry period. New research has shown that it may be feasible to shorten this time period.

TB vaccine may enable elimination of the disease in cattle by reducing its spread

Health & Disease Treatments and Prevention Biosecurity

12 September 2024

4 minute read

Vaccination not only reduces the severity of TB in infected cattle, but reduces its spread in dairy herds by 89%, research finds.

The hidden danger of silo gases

Herd Management Forage Management People

14 February 2024

7 minute read

Learn how to stay safe around silos and silo gas

Research: Cattle on low-protein rations may need amino acid supplement to boost milk yield

Herd Management Feed and Nutrition Feed Additives

16 October 2023

3 minute read

Feeding dairy cows a diet to cut nitrogen emissions from manure can result in production losses and may require intervention

December 2022 - June 2023

On-Farm Mortality Composting: Management Principles and Information Resources

Herd Management Waste Management Markets

5 June 2023

2 minute read

Farms should consider contingency planning for mortality disposal. Legal mortality disposal methods for Pennsylvania include rendering, burial, incineration, and composting.

Dairy sense: Keeping the dairy right sized

Herd Management Grass Management Environmental Management

31 May 2023

5 minute read

Does your land base match the number of cows and heifers in the herd?

Conjugated Linoleic Acid (CLA) in Animal Production and Human Health

Herd Management Feed and Nutrition Processing

29 May 2023

12 minute read

Conjugated linoleic acid (CLA) occurs naturally in ruminant milk fat and meat, but diet changes can affect the amounts.

Can silvopasture work on your farm?

Herd Management Feed and Nutrition Grass Management

24 May 2023

3 minute read

Learn how to integrate silvopasture into livestock operation

Understanding dairy-beef production

Herd Management Feed and Nutrition Markets

22 May 2023

8 minute read

Production of high-quality dairy-beef is relatively new to the beef industry and depends almost entirely on Holstein bull calves.

Considering cattle could help eliminate malaria in India

Genetics and Reproduction Genomics Health & Disease

9 March 2023

3 minute read

The researchers found that, in an area of India that has a high burden of malaria, most of the mosquitoes that are known to transmit malaria rest in cattle sheds and feed on both cows and humans.

Bedding considerations to lower somatic cell count

Health & Disease Non-notifiable Diseases Mastitis

6 December 2022

7 minute read

Weigh the pros and cons when determining the ideal bedding for your cows.

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