NASEM

Formulating for Better AA Efficiency

March 29, 2024 | Amino Acids, Metabolizable Protein, Milk Protein Yield, NASEM

How to optimize milk protein yield, improve cost efficiency, and reduce nitrogen excretion? The answer: Balance dairy rations for essential amino acids (EAA) rather than their aggregate, metabolizable protein (MP). Canada’s Dr. Hélène Lapierre and U.S. researchers updated the NASEM 2021 guide to MP and EAA, which now recognizes requirements and “efficiency of utilization” of individual EAA.

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Careful with Copper: More for Maintenance, Avoid Too Much in Lactation

December 15, 2022 | Copper, Minerals, NASEM, Toxicity

Careful with Copper: More for Maintenance, Avoid Too Much in Lactation. Dr. Weiss says that copper (Cu) supplementation warrants special attention. The main concern is the risk of liver toxicity resulting from over-supplementation in lactation diets.

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Categories

• Amino Acids
• Calves
• Fatty Acids
• Forage
• Milk Components
• Minerals
• transition

Keywords

• Acid-Base Balance
• Amino Acids
• Body Condition Score
• Calcium Salts
• Calves
• Choline
• Chronic Inflammation
• Colostrum
• Copper
• Dietary Cation Anion Difference
• dogma
• Dynamic Formulation
• Fatty Acids
• Forage
• Heat Stress
• Immune Support
• Lag Phase
• Metabolizable Protein
• Milk Components
• Milk Protein Yield
• Minerals
• NASEM
• NEFA
• Oleic
• Palmitic
• Potassium
• Protein
• Protein Balance
• Rumen Fermentation
• Rumen Microbiome
• Seasonal
• Starch
• Stress
• Subclinical Ketosis
• Toxicity
• Transition