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Dairy cattle ruminal performance
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Introduction Supplemental lipids are commonly included in diets for ruminants (Doreau and Ferlay 1994). These lipids are components of feedstuffs or through the addition of specific lipid additives (Loften et al. 2014). Most commonly, these lipid additives are used to increase the energy density of the diet (Hess et al. 2008), but can also be used to modulate the fatty acid (FA) composition of body tissues or induce metabolic changes. Verdugo (2016)...
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Multiple EAA drive milk protein production in dairy cows, including His, Ile, Leu, Lys, Met, and Thr. Therefore, determining bioavailability of rumen-protected AA (RPAA) is essential for optimal EAA supply. We aimed to evaluate bioavailability of lipid-encapsulated prototypes of His, Ile, Lys, Met, and Thr and an isopropyl ester of 2-hydroxy-4- (methylthio) butanoic acid (HMBi). Six Holstein heifers (518 ± 28 kg BW) were allocated in a 6 × 8 Youden square design, with 8 periods...
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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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Dairy goats can be highly productive to the level of exceeding that of dairy cattle on a metabolic body size basis. Far too often and due to limited controlled research studies, feeding practices used for dairy cattle are extrapolated to feeding dairy goats. Similarly, commercial supplements are formulated for sheep and goats even though there are well known nutritional differences, namely copper nutrition where goats have a higher requirement like cattle. Goats are selective browsers...
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Lipid encapsulation has proved to be a valuable tool for protecting nutrients from degradation during processing, storage and digestion and making them available for absorption by the animal. Over the last years, many new encapsulated nutrients have entered the market. These products, and the processes that create them, differ greatly in design, technology, and unfortunately, performance. High quality encapsulated nutrients can provide nutritionists with a great deal of flexibility to...
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Matheus Paez Martins Narciso (University of Alberta) Although the importance of pH and short-chain fatty acids on rumen development are well known, their impact on the small and large intestine are unclear. This study investigated the effects of ruminal short-chain fatty acid concentrations ([SCFA]) and pH on the rumen and intestine of calves. Holstein bull calves (n = 32) were individually housed and fed milk replacer (900 g/d) twice daily and calf...
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Matheus Paez Martins Narciso (University of Alberta) speaks on the importance of pH and short-chain fatty acids on dairy calves' intestinal digestibility and digesta, during the 11th Symposium on Gut Health in Production of Food Animals in St. Louis, USA....
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Dr. Mubarak Ali, Senior Technical Service Manager Asia South at Evonik Animal Nutrition, speaks about the uniqueness of a Rumen-protected DL Methionine, Mepron®
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Dr. Mubarak Ali from Evonik Animal Nutrition shares his insights on how to achieve sustainability by balancing rations for amino acids in dairy farming...
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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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Microbiota days are coming back this year on October 3 and 4, 2023.
Phileo’s global virtual event giving easy access to top talks from your own desk.
Thanks to last year success, Phileo accelerates its focus on microbiota and invests in a virtual industry event taking place October 3 and 4, 2023.
High level keynote speeches will be...
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Dr. Stefano Vandoni presents during Balchem and AB Vista's sponsored event at TotalDairy UK, "Choline: it's not optional, it's required."...
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Hylton Buntting from Phileo by Lesaffre speaks about how to reduce carbon footprint in dairy cow farming using a premium yeast probiotic
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Introduction The use of feed additives containing live microorganisms and (or) their metabolites to alter rumen fermentation and improve animal performance has increased in response to demands for using more “natural” growth-promoting substances. Microbial products used in this manner were originally called "probiotics", or products “for life”. Yeasts are unicellular eukaryotic...
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INTRODUCTION Preservation of alfalfa as silage is becoming convenient due to the ease of mechanization and reduced susceptibility to weather damage (Khadem et al . 2009). Calberry et al . (2003); Bhandari et al. (2008) and Khadem et al. (2009) reported that cows fed on ration containing chopped alfalfa hay had lower intake than those fed on a diet containing chopped alfalfa silage. But similar milk yield and composition (Calberry et al ....
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Hylton Buntting from Phileo by Lesaffre explains the benefits of using a premium yeast probiotic to help achieve sustainability in dairy cow farming
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Listen and watch as Philip Metcalfe of Metcalfe Farms in Leyburn, North Yorkshire shares his success with ReaShure-XC from Balchem. While using ReaShure-XC, Metcalfe Farms found improvements in: Milk yield (+2.3 kg/day). Transition into the milking herd. Metabolic diseases. Overall cow health. All cows can benefit from ReaShure-XC...
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Netherlands Farm Finds Success with NitroShure™. After introducing NitroShure the farm improved fiber digestion, more adequate amounts of fast energy, optimal energy and nitrogen efficiency in the rumen, savings on out-of-pocket feed costs, and better protein utilization...
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Dr. Ryan Ordway's presentation during EuroTier. Watch New Developments in Transition Cow Nutrition...
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