Recovering from Heat Stress

Rick Grant, William H. Miner Agricultural Research Institute As summer fades into fall and ambient temperatures drop, the negative consequences of heat stress on the dairy herd often linger. Lameness, poor reproduction, low milk production efficiency, and elevated incidence of health issues may continue on a dairy even after summer’s heat is past. Understanding what nutritional […]

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Boosting Milk Components and De Novo Fatty Acids

Rick Grant, William H. Miner Agricultural Research Institute, Chazy, NY Producing more milk fat and protein is a sure-fire way to enhance herd profitability. And, the best way to boost milk fat and protein is to enhance rumen fermentation with a particular focus on fiber digestion. Over the past 18 months or so, a group of scientists […]

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Measuring Fiber Digestiblity

Rick Grant, William H. Miner Agricultural Research Institute To make milk from forage, we must understand the role of 1) fiber digestibility and indigestibility, and 2) fiber particle size and fragility. These forage-fiber characteristics are highly related to eating, ruminating, rate of particle breakdown and passage from the rumen, dry matter intake, and ruminal digestive efficiency. […]

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Milk Component Price Variation – Should I Change Ration Formulation?

Amaferm™ and Milk Fat Milk fat prices recently have been significantly higher than the historical average.  It is important to understand this critical milk component and the income opportunity it represents.  Rumen fermentation and health are quite important in the regulation of milk fat yield as noted by Dr. Juan Marquez in his article below.  […]

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Nutritional Concepts for Feeding New Corn Silage

Rick Grant, William H. Miner Agricultural Research Institute, Chazy, NY Across the US, corn harvest is either underway or completed. Most dairy farms will now have two sources of corn silage to feed: last year’s carryover silage which has fully fermented and steeped plus new-crop corn silage. Some farmers may be faced with feeding immature corn silage […]

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TTNDFD: A new test for evaluating forages for high producing dairy cows

Dr. Dave Combs, Professor, Department of Dairy Science, UW-Madison Fiber is an essential component of diets for dairy cattle. In high producing dairy cows, about 20 to 25% of the energy for milk production comes from digested fiber in the ration. Neutral detergent fiber (NDF) is a forage test that measures the total amount of […]

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How does variation in NDFd affect your ration balancing?

The lower milk prices of 2015 likely have you reviewing your rations and looking for areas to cut costs.  An important question, as part of your review, is how accurately are you at predicting or supplying nutrient demand relative to the degree of variation in digestion that occurs on the dairy?  It may be greater […]

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Heat Stress and Forage Feeding Approaches – Part 2

Rick Grant William H. Miner Agricultural Research Institute   Feeding Management during Heat Stress Feeding more of the ration at night during heat stress is a common recommendation, but recent research suggests it may be counterproductive. When a higher percentage of feed is offered at night during heat stress, cows tend to eat quickly – […]

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Heat Stress and Forage Feeding Approaches – Part 1

Rick Grant William H. Miner Agricultural Research Institute Summer’s heat and humidity are fast approaching. As always, we need to be prepared with effective heat abatement systems. Unless a cow is properly cooled, adjusting dietary ingredients and feeding highly digestible forages will not result in the expected responses in rumen fermentation, feed intake, or milk […]

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How Much NDF Can a Cow Consume?

Rick Grant William H. Miner Agricultural Research Institute   NDF Intake System and Optimal NDF Intake Consumption of NDF by dairy cows is related to rumen fill and intake potential of a forage or ration. Dr. Dave Mertens developed the NDF Intake System to account for both forage quality and cow productivity, and it determines […]

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