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Dairy cattle nutrition
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“Don’t drink, don’t smoke, and take your multi-vitamin.” Any pregnant woman can tell you this is the advice they receive from the moment they know they are pregnant. Extensive research in humans and animals has confirmed the long-term impact of nutrition during gestation. Prenatal nutrition can permanently affect both tissues and organs, with life-long consequences to growth and health. Known as epigenetics, it’s the study of changes in gene function...
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Bioavailability of multiple rumen-protected amino acids by a stable-isotope technique in dairy cattle
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Chuck Schwab, Professor Emeritus University of New Hampshire, USA. speaks about the factors affecting the amino acid (AA) requirements of dairy cows: Protein digestion, metabolizable AA sources, absorbed AA functions, benefits of balancing for the most limiting AA, and more. Presentation at the 2020 Vision and Beyond Ruminant Nutrition Conference, organized by Adisseo...
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Ruminant nutrition is highly sophisticated. Immense research and application efforts have culminated in great successes. Today, we can satisfy with a relative high precision the nutritional needs of high producing dairy cows. Highly efficient genetic selection and improvement in overall management has resulted in a national average of ca. 10,000 kg of milk per year in USA. The 2012 USDA annual report indicated an average of 9,842 kg milk produced in one year (or...
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Potential for 20 % improvement in efficiency of protein use for milk production by amino acid balancing
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Introduction The nutritional management of young dairy calves can have both short- and long-term effects, from influencing morbidity and mortality rates (Urie et al., 2018a) to reproductive efficiency and first-lactation milk yield (Faber et al., 2005; Soberon et al., 2012; Gelsinger et al., 2015). Although major improvements in calf nutritional strategies have been made over the past decade, dairy calves continue to suffer from the highest rates of...
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Choline has long been considered an essential nutrient and has an identified requirement in most species, including humans. Though most can synthesize choline endogenously, it cannot be produced in sufficient quantity to satisfy the body’s requirements and must be...
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Background Reducing the rate at which ammonia is released from urea into the rumen may allow rumen bacteria to more effectively capture the nitrogen released. Slowing the rate of release of ammonia from urea can be accomplished by encapsulating it with lipids. NitroShure Precision Release Nitrogen uses Balchem’s proprietary encapsulation technology to provide a more consistent nitrogen supply to rumen microbes, maximizing microbial protein yield, improving...
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Bioavailability of multiple rumen-protected amino acids by a stable-isotope technique in dairy cattle
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1. Introduction In commercial dairy and beef production, a range of stresses are responsible for economic losses associated with the decreased productive and reproductive performance of cows. It has been shown that at the molecular level, nutritional, technological, environmental and internal stresses lead to the overproduction of free radicals, the disturbance of the redox balance, and oxidative stress [1,2]. It is well known that oxidative stress (an imbalance between free...
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Introduction Dairy cows experience massive metabolic demands to support lactation. They adapt their metabolism to do so, including uncoupling of the somatotropic axis (Baumgard et al., 2017) with peripheral insulin resistance and increased lipolysis to fuel milk production. However, cows are challenged by a transient decrease in feed intake resulting in negative energy and protein balance in early lactation, and short-duration but substantial...
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Potential for 20 % improvement in efficiency of protein use for milk production by amino acid balancing
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1. Introduction The use of tannin in ruminant nutrition is increasing, mainly due to its diverse positive effects in several aspects concerning physiology, metabolism, and animal performance. However, research results are quite controversial regarding the concentrations and sources used, which reinforces the need for further studies to elucidate these still evident gaps. According to Haslam and Lilley [1], tannins represent secondary compounds of plants and are present in...
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The sensorial characteristics of feeds and the post ingestion consequences modulate the acceptance and intake of feeds. Do you want to find out more? Listen to our expert, Simon
Eskinazi, Global Scientific & Technical Manager for Palatability...
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Higher trace mineral cost and increasing concern over trace mineral excretion into the environment make this strategy even less attractive. Feeding KeyShure® can help overcome the effects of antagonists, thus supporting optimum performance and decreasing mineral excretion into the environment.
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1 Introduction Milk is one of the foods with a crucial nutritional composition for human health. Among the components of milk, fat has been associated with human diseases for years due to its high saturated fatty acid content (Palmquist, 2010). About 70% of the fatty acids in milk triacylglycerols are saturated, 25% are monounsaturated fatty acids (MUFA), and 5% are polyunsaturated fatty acids (PUFA) (Lopes et al., 2016; Abd El-Salam & El-Shibiny, 2020). Studies have shown...
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Bioavailability of multiple rumen-protected amino acids by a stable-isotope technique in dairy cattle
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Introduction Dairy cows are provided high allocations of grain following calving to meet high energy demands for milk production. However, increased grain consumption increases the flow of fermentable carbohydrates to the hindgut, increasing hindgut fermentation (Abdela, 2016). If excessive fermentation occurs, high osmotic pressure and a drop in pH induce inflammation and damage hindgut epithelial cells, thus increasing gut permeability and allowing...
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INTRODUCTION Sorghum ( Sorghum bicolor (L.) Moench) is a tropical forage species widely used in ruminant nutrition. Sorghum is considered the best option in arid and semi-arid regions worldwide. Sorghum is a typical plant of hot climates due to its xerophilic characteristics, low soil fertility requirements, high tolerance/resistance to water stress and salinity (HASSAN et al., 2018). Sorghum grain has been used as an energy source in ruminant diet formulation and...
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Potential for 20 % improvement in efficiency of protein use for milk production by amino acid balancing
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Ruminants naturally discriminate between feeds to preserve their health. They reject bitterness and sourness, but they accept salty and sweet. Do you want to know more about how cows discriminate between feeds and how palatability can improve voluntary feed intake? Listen to Sébastien Chaboche, Business Manager for Palatability in Europe and CIS, with more than 20 years of experience in ruminant nutrition....
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Heat stress affects dairy cow production and performance. To dial down heat stress, mechanical cooling remains a mainstay. Nutrition is of increasing importance. Research results show how methionine mitigates heat stress. ...
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