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Nutrition

Read advice and tips on dairy nutrition.

News

Can on-farm NIR analysis improve feed management?

Feed cost is one of the largest expenses on dairy farms. In addition to being a major cost, over feeding, under feeding or feeding an improperly balanced diet can impair cow health, decrease milk production, and result in negative environmental impacts.

Nutrition

Can supplemental cobalt increase nutrient digestibility in dairy cows?

Cobalt-lactate is a highly soluble source of Cobalt (Co) in the rumen. Prior research evaluating higher Co feeding rates has been shown to increase ruminal fiber digestion. Feeding high forage rations to late lactation dairy cows to improve income over feed cost could potentially benefit from feeding higher ruminal soluble Co rates to enhance ruminal fiber and nutrient digestibility.

Nutrition

Watch for Cyanobacterial poisoning in livestock

Livestock producers need to watch for blue-green algae because it is toxic to animals, North Dakota State University Extension Service livestock experts warn.

News

Genome Alberta, Ontario Genomics Institute team for better feed efficiency

A $10.3 million private-public grant was awarded to a team led by Dr. Filippo Miglior, University of Guelph, and Dr. Paul Stothard, Livestock Gentec at the University of Alberta, who will use the latest genomic approaches and the Growsafe phenotyping platform to collect and assess the required data to carry out the selection at a lower cost.

News

The importance of dry matter: Tips for feeders and dairy producers

Dry matter (DM) is what remains when water (moisture) is removed from a feed. In the example corn silage report, you’ll see DM is listed at 35.9% (for simplicity, we’ll round to 36% DM). Another way to think about the concept of DM is: for every 100 lbs of this corn silage that is fed, 64 lbs of it is water.

News

Low lignin alfalfa field visits

From a distance, a field of low lignin alfalfa will look similar to a conventional alfalfa field. However, low lignin alfalfa will have more leaves, a dense canopy with higher concentrations of leaves in the lower part of the canopy.

News

LDA recovery: Consider before you cut

University of Guelph research suggests there may be two key factors associated with a cow's short-term recovery after LDA surgery. Herd managers can use this information to make informed decisions about cows diagnosed with LDA, before proceeding with surgery.

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