Nutritionist E-Network

High ambient temperatures and humidity compromise lactation

Thermostasis is the process by which cows attempt to keep their body temperature constant in spite of changes in environmental temperatures. Heat stress occurs when the cow is incapable of dissipating enough heat to maintain its core body temperature below 101.3°F. FULL STORY »

WASDE points to lower prices

USDA's July World Agricultural Supply & Demand Estimates (WASDE) report kept the projected 2014 U.S. corn yield unchanged from last month at a record 165.3 BPA. FULL STORY »

Organize producer peer groups

The best managers recognize that however well their business is doing, someone, somewhere has a better idea or way. Can you help organize producer peer groups? Here are some guidelines from Dr. Danny Klinefelter, Texas A&M University. FULL STORY »

Implementing shorter, single-group dry cow programs

Consider Shorter, Single-Group Dry Periods for Managing Hypocalcemia. There’s been a trend on dairy farms to implement shorter, single-group dry cow programs. Benefits to shortening the dry period for may include: FULL STORY »

Viseral fat concentration not captured through BCS

Relatively little is known about changes in mass or function of internal fat deposits in dairy cows, particularly during the periparturient period. FULL STORY »

Accurate tools for cow-side measurement of BHBA concentrations

Hyperketonemia is defined as an abnormally high concentration of circulating ketone and is an indicator of excessive negative energy balance in transition dairy cows. The gold standard for diagnosing hyperketonemia is the measurement of BHBA in serum or plasma. Implementing a hyperketonemia surveillance program using DHI monthly milk test data could be a practical approach. FULL STORY »

Melatonin feeding compared to long day lighting

In lactating dairy cows, exposure to a long-day photoperiod is associated consistently with an increase in prolactin concentration and milk production. FULL STORY »

Case Study: A study of a different sort for JDM

In preparation for June Dairy Month, on-farm dairy breakfasts provide transparency and education – with a possible payback. FULL STORY »

Alfalfa silage advice

First-cutting alfalfa soon will be ready for silage. Dr. Limin Kung, silage expert from the University of Delaware, offers advice for making a great product. FULL STORY »

Tips to avoid spoiled silage

Silage spoilage represents wasted feed, effort and performance potential. Dr. Limin Kung from the University of Delaware offers advice on how to prevent it. FULL STORY »

Poll: How involved are you in your dairy clients' operational management team meetings?

A) I lead or help lead them
B) I participate frequently
C) I participate sometimes
D) I participate, but only in a crisis
E) I haven't been invited FULL STORY »

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