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Why Cows Don't Get Pregnant
Why Cows Don't Get Pregnant - Articles Articles

Why Cows Don't Get Pregnant

Andrew Sandeen

Dairy cows don't always conceive after the first insemination attempt. There are a variety of causes that may contribute to conception failure. More
Photo credit: Andrew Sandeen
More Progesterone, Please - Articles Articles

More Progesterone, Please

Andrew Sandeen

Progesterone is essential for normal reproductive cycling; it inhibits estrus and controls follicle growth. But, some high-producing dairy cows have too little in circulation. More
Forage Variety Trials Reports
Forage Variety Trials Reports - Articles Articles

Forage Variety Trials Reports

Marvin Hall, Ph.D.

Forage Trials Report summarizes performance data collected from ongoing forage trials at two sites in Pennsylvania. More
Photo credit: Andrew Sandeen
Is 60 the Magic Number? - Articles Articles

Is 60 the Magic Number?

Andrew Sandeen

Factors to consider before shifting voluntary waiting period or dry period length. More
Determining Pasture Yield
Determining Pasture Yield - Articles Articles

Determining Pasture Yield

Marvin Hall, Ph.D.

Direct and indirect methods of determining pasture yield. More
Forage Quality in Perspective
Forage Quality in Perspective - Articles Articles

Forage Quality in Perspective

Marvin Hall, Ph.D.

Fluctuations in milk prices, feed costs, and government programs are forcing dairy farmers to become more efficient with their farm operation. More
Where to Send Samples for Analysis
Where to Send Samples for Analysis - Articles Articles
Once you have gone to the effort of correctly collecting a sample, how can you be sure that the results you receive from the testing laboratory are accurate? More
Why Test Forage Quality?
Why Test Forage Quality? - Articles Articles

Why Test Forage Quality?

Marvin Hall, Ph.D.

Greater net profit is the bottom line for why livestock producers need to know the quality of the forages they are feeding! More
Scott Bauer, USDA Agricultural Research Service, Bugwood.org
Trouble-shooting Infertility Problems in Cattle - Articles Articles
This article examines problem areas related to anestrus, repeat breeding, pregnancy loss, and postpartum disorders. More
Forage Quality Testing: Why, How, and Where
Forage Quality Testing: Why, How, and Where - Articles Articles

Forage Quality Testing: Why, How, and Where

Marvin Hall, Ph.D., Virginia A. Ishler

For nearly four decades, scientists have been refining the ability to test forages for quality. More
Pasture and Hay for Horses
Pasture and Hay for Horses - Articles Articles

Pasture and Hay for Horses

Marvin Hall, Ph.D., Pat M. Comerford

To minimize feed costs, it is important to keep horses healthy and feed them a balanced ration that meets their nutritional needs. More
Calibration of Grain/Seed Drills
Calibration of Grain/Seed Drills - Articles Articles

Calibration of Grain/Seed Drills

Sjoerd Willem Duiker, Ph.D., CCA, Ron Hoover

The seed delivery system in drills is not as precise as that used in planters because they use flutes or sponges to meter seed instead of seed singulation. More
Warm-Season Grasses for Pheasants
Warm-Season Grasses for Pheasants - Articles Articles

Warm-Season Grasses for Pheasants

Marvin Hall, Ph.D.

Warm-season grasses such as big bluestem and switchgrass can provide forage for animals throughout the summer months when cool-season grasses become less productive. More
Tall Fescue
Tall Fescue - Articles Articles

Tall Fescue

Marvin Hall, Ph.D.

In Pennsylvania, Tall fescue has been used primarily for conservation purposes but is well suited as hay, silage, or pasture. More
Strategies for Extending the Grazing Season
Strategies for Extending the Grazing Season - Articles Articles
Several strategies can be employed to supply forage into the fall or early winter. More
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