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Additives and feedstuffs in dairy cattle nutrition
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Dry period heat stress significantly reduces milk yield in the subsequent lactation in cows. Altered methylation patterns in mammary tissues is associated with the decline in milk yield. We hypothesized that as a methyl donor, choline (RPC) supplementation reverses similar patterns of methylation and thus productivity in heat-stressed dams. Late-gestation Holstein cows (n = 51) housed in freestall barns were enrolled to either heat stress (HT, n = 12), HT with RPC (HTC, n = 11), cooling (CL,...
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Current approaches to study choline bioavailability do not account for the ruminal or postruminal bacterial degradation of choline to trimethylamine (TMA) and TMA N-oxide (TMAO). To evaluate choline bioavailability, 8 multiparous Holstein cows (184 ± 109 d in milk) were enrolled in a study with a 4 × 4 Latin square design. Treatments were (1) 0 g/d of supplemental choline chloride (CTR), (2) 16.8 g/d of unprotected choline chloride (CC) delivered as a continuous ruminal infusion...
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Sensors and Predictive Analytics in the Management of Silos and Forage Warehouses
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The discovery of choline dates back to 1850s when French pharmacist, Théodore Gobley discovered a group of phospholipids that he named lecithin. Seventy years later, during the discovery of insulin by Frederick Banting, his student Charles Best noticed that depancreatized dogs developed hepatic lipidosis. Subsequently in the early 1930s, Best showed that supplementing lecithin reversed and prevented hepatic lipidosis in dogs and rats. It took another 67 years for dietary choline to be...
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A technique has been established to determine the TMR stability of rumen-protected (RP)-lysine products, but the TMR stability of RPcholine (RPC) products has not yet been explored. The objective of this experiment was to evaluate the TMR stability of 5 RPC products using a modified technique. Triplicate Ziploc bags containing RPC (equivalent of 1 g of choline chloride [CC]), no RPC (negative control), or unprotected CC (positive control; 1 g of CC) mixed with 200 g of TMR (38% DM) were...
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The TMR stability of rumen-protected lysine (RPL) products has been previously investigated, albeit without a positive control, potentially introducing bias. The objective of this experiment was to evaluate the TMR stability of 6 RPL products using a modified technique that used an unprotected Lys treatment as a positive control. Triplicate Ziploc bags containing RPL (equivalent of 1 g of Lys), no RPL (negative control) or unprotected Lys-HCl (positive control; 1 g of Lys) mixed with 200 g...
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Amino acids (AA) undergo complex metabolism for protein synthesis or excretion after oxidation. We investigated the fate of metabolizable Lys via continuous abomasal infusion of 15 N-Lys. Four rumen-cannulated Holstein cows (147.0 ± 63.2 d in milk, 49.4 ± 9.5 kg milk yield) received 0.6 g/d of 15 N-Lys into the abomasum for 5 d. Cows were offered a common diet (16.6% crude protein; 89% of metabolizable Lys requirement) once daily for an ad libitum intake....
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Choline supplementation is known to modify hepatic lipid metabolism in the dairy cow, but little is known about its effect on mammary lipid metabolism. The objective of this study was to characterize the effect of increasing doses of abomasally infused choline on milk production and milk lipids using untargeted lipomics. A total of 12 ruminally cannulated Holstein cows were used in a 4 × 4 Latin square design with 7-d experimental and 7-d rest periods. All cows were fed a common TMR...
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Choline is a methyl donor, which may influence DNA methylation, gene expression, and cellular processes. Past studies have found an increase in milk yield when periparturient dairy cows were supplemented with dietary rumen-protected choline (RPC); however, the mechanism behind this response is unknown. Therefore, the objective of this study was to assess the effects of dietary RPC supplementation on mammary epigenome-wide DNA methylation. Parous Holstein cows were blocked by calving month...
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Comprehensive solution in the aninal nutrition industry: Midland ADN Group
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Gildas JOALLAND, Global Marketing Manager at Phileo by Lesaffre, speaks about the Full Life Cycle Assessment of Yeast Production in the Dairy Industry...
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Evonik's animal feed solutions based on low-protein, amino acid enriched diets make animal husbandry more efficient and help save resources. With a growing global population and rising affluence in many regions, the appetite for meat is picking...
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Sensors and Predictive Analytics in the Management of Silos and Forage Warehouses
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1. Introduction Increased atmospheric emissions of greenhouse gases (GHGs), such as nitrous oxide (N 2 O), carbon dioxide (CO 2 ), and methane (CH 4 ), are the primary cause of climate change. These emissions result in unpredictable and erratic rainfall, floods, and droughts [1]. In 2020, agriculture contributed 5865.47 MtCO 2 e, representing 12.34% of its total emissions (47,513.15 MtCO 2 e), including land-use change and forestry...
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Traditionally, milk fever prevention programs have attempted to directly alter Ca status of dairy cows at calving. Common approaches include feeding pre-fresh dairy cows diets containing anionic salts, restricting dietary Ca, feeding hyper-dietary Ca and administering Ca boluses. There is an abundance of research in regard to the mechanisms associated with dietary Ca alteration, dietary cation-anion difference as related to parathyroid hormone and vitamin D and the role they play in the...
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The quality of the transition period is decisive for the success of the subsequent lactation cycle. Cows with a poorer transition produce less milk, take longer to become pregnant, and are more likely to lose pregnancy and to be culled from the herd, causing substantial economic losses. Investments in infrastructure, personnel, and nutrition focused on prevention and treatment of postpartum health problems, when effective, often result in an excellent return of investment because it...
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I would like to know the safe percentage in using Saccharomyces cerevisiae for sheep feeding, as well as added impact on the revival of the rumen. ...
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These attributes make prilled urea the preferred option for livestock • Has typically a uniform size and a smooth surface. • Is often used in animal feed formulations due to its ease of handling. • Dissolves relatively quickly in water, making it readily available as a source of nitrogen for livestock. "Our certification is your peace of mind"...
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Grains are the main source of energy to Ruminants as practiced today. But anatomically and physiologically ruminants are designed to digest roughages and fibrous feed to produce VFA's to meet out the major (70%) component of maintenance energy requirements. With the expectation of extra energy supplement for lactation, grains are being fed. But during the process, we create a challenge for animal to forcibly draw energy through grains. Grains are rich in starch...
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Comprehensive solution in the aninal nutrition industry: Midland ADN Group
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AMINONIR® Portable enables the reliable determination of energy, nutrients in feed raw materials and feed, as well as amino acids in feed raw materials, on-site and independent of a laboratory. The hand-held device connects with the user’s tablet or cell phone. It only requires mobile signal reception and a handful of feed or raw material without further sample preparation to determine their quality at almost any location within minutes....
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CBS Bio Platforms feed additive Optimax E shows breakthrough results to help dairy farms optimize efficient sustainable high yielding production
Calgary, ALBERTA – A novel bio-catalyst feed technology shows breakthrough results to help dairy farmers and their...
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Sensors and Predictive Analytics in the Management of Silos and Forage Warehouses
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Maximize productivity and deliver more methionine to your cows. Improve milk protein production and reduce dietary crude protein with AminoShure-XM from Balchem Animal Nutrition & Health. ...
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Introduction Bovine colostrum is largely known for its crucial role in providing the newborn dairy calf with immunoglobulin G (IgG) to establish passive immunity. However, IgG is only one of numerous colostral bioactive compounds – including hormones, fatty acids, and sialylated oligosaccharides (OS) – that have an unrealized potential to positively stimulate calf development (Fischer-Tlustos et al., 2021). In contrast to IgG, many of these bioactive factors...
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