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By Dr. David F. Jones, Ph.D., P.A.S. Sugars are the most basic form of carbohydrates composed of monosaccharides (containing one sugar molecule, like glucose, fructose, and galactose) or disaccharides (two sugar molecules, like lactose, sucrose, and maltose). They are soluble in water, have a sweet taste, and are rapidly fermented in the rumen (Figure 1).1 […]
By Dr. Dan Schauff, Ph.D., P.A.S. In the last decade, there has been a dramatic shift towards higher milk fat and skim-solids production in U.S. dairy herds (USDA ERS, 2021). This is in response to consumer trends towards increased butter and cheese consumption and decreased fluid milk consumption (USDA ERS, 2024). These dramatic improvements in […]
By Dr. Louisa E. Koch, Ph.D., P.A.S. When you hear the acronym, DCAD, what comes to mind? You probably immediately thought about pre-fresh rations, right? While that is usually the first thing most people think of, DCAD is not just important for transition cow rations. It also should be considered when formulating lactating cow rations. […]
By Grace Thomas, M.Agr.Sc. P.A.S. The temperate climate in Ireland and the United Kingdom leads to ideal conditions for pasture growth. Due to this, pasture and pasture-based forages make up a large proportion of dairy cow and beef cattle rations. With 95% of Irish dairy cows(1) receiving pasture or grass silage in their diet, and […]
By Dr. James C. Coomer, Ph.D., PAS Mycotoxins seem to be discussed everywhere in livestock nutrition press these days and it appears mycotoxins are an inevitable part of nutrition now and into the foreseeable future. DSM recently released their December mycotoxin survey, including their corn mycotoxin survey results for 2023. The survey of 123 corn […]
By Dr. Adrian Baker, Ph.D. Managing new cattle is challenging and the receiving period can have long-term implications on future health and growth during the finishing phase (Wilson et al., 2017). High-risk calves may have been exposed to stressors like commingling at auctions and transportation stress, including extended periods without feed and water (Arthington et […]
By Dr. David F. Jones, Ph.D., P.A.S. Methane production from ruminant animals has received a lot of attention in recent years and is still a primary focus today. Since methane is a waste product from rumen fermentation, it is possible to minimize the process of methane production with nutrition and products that promote greater efficiency […]
By Dr. Dan Schauff, Ph.D., P.A.S. Practical and research observations have long shown a healthy calf is more likely to become a healthy, productive dairy cow. Most also recognize that a successful colostrum feeding/management program is essential and foundational to support a calf’s health, future growth, and milk production. There is growing evidence, however, that […]
By Dr. Louisa E. Koch, Ph.D., P.A.S. Cereal grains represent a major source of energy for the high-producing dairy cow and can greatly impact feed efficiency. Transforming every pound of nutrients into saleable product is the cornerstone of achieving optimal feed efficiency. In most dairy production systems, corn is the predominant cereal grain. The largest […]
By Grace Thomas, M.Agr.Sc. P.A.S. Consistency is the key when it comes to all things dairy. This is also relevant when it comes to cow manure. The cow manure evaluation is one of the best indicators of cow performance and any changes to it can be due to reduced rumen function and/or feed digestion. You […]
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