Urea has been used also with other feed ingredients

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Urea has been used also with other feed ingredients Nonprotein Nitrogen Other NPN Compounds o Biuret, a condensation product of urea, has been used to some extent as an NPN feed ingredient o It usually gives a better response when fed with low-quality roughage than does urea More costly, not as readily available on the market Liquid Supplements o Issue with low quality forages: o LS have been used for more than 50 years, primarily for beef cattle and more recently for dairy cattle To a much lesser extent for sheep, and with very limited use for horses
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o In the early days, LS were primarily molasses Replaced now by other liquid by-products, such as concentrated separator by-product Other liquid products are available from production of sugar, paper, and cheese. o Consumed regularly, with reasonable efficiency, LS offer great convenience for supplying needed nutrients to cattle and sheep on winter ranges Lickwheel feeders have been developed to restrice consumption o VFA- volatile fatty acids o CH2O ^^^ o Anaerobic o Bugs ferment carbs into VFA o VFA taken up by host animal and then used in metabolism o Use energy to take Nitrogen to make it into Microbial Protein o <7% CP in a forage that forage is sufficiently a low quality to support the needs of the animal and too low for the microorganisms to convert N to Microbial Protein o Poor quality forage coupled with N (soybean meal) you are overcoming a N deficiency of microorganisms, which results in more microbial CP and more presented to smll intestine for use in metabolism o - gain faster because host animal is getting more protein, there is more energy being released as we result of increased fiber digestion o If N is coming from soybean meal, there is increased intake of Protein.
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