Sponsored seven research trials that were presented at the 2010 Joint Annual Meeting (JAM) of the American Dairy Science Association (ADSA), Poultry Science Association (PSA), Asociación Mexicana de Producción Animal (AMPA), Canadian Society of Animal Science (CSAS), and the American Society of animal Science (ASAS). The research trials focused on existing and potential new encapsulated products: AminoShure® -L lysine, NiaShure™ niacin, ReaShure® choline and lipid encapsulation of algal biomass as A source of omega-3 fatty acids.
Two AminoShure-L studies were conducted by independent organizations. Research demonstrates that Replacing the essential amino acids lysine and histidine from blood meal with equal levels of rumen-protected sources can maintain milk yield despite lower crude protein levels. Research indicates that supplementing a balanced ratio of the two most limiting amino acids can improve growth and average daily gain of growing bulls.
A university research trial indicates that heat stress decreased blood niacin concentration in lactating dairy cows and that supplementation with a rumen-protected niacin partially restored blood niacin concentration during heat stress. Dietary rumen protected niacin increased water intake and skin temperature. There may be seasonal differences in sweating rate responses to heat stress and rumen-protected niacin.
Two research studies were conducted. Research by an independent research organization suggests that the reduction in hepatic triacylglycerol (TAG) concentrations when supplementing rumen protected choline coincides with altered hepatic fatty acid metabolism. University research illustrates the central role of methionine and choline in methyl metabolism and the importance of methyl group transactions in the high-producing dairy cow.
Two university research trials were conducted. One indicated that rumen protected algal biomass provided better docosahexaenoic acid (DHA) yield than algal oil. The second found a significant increase in the amount of DHA present in milk fat when dairy cows were fed lipid-encapsulated algal supplements.
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