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What is an example of a non protein nitrogen (NPN) used as a protein source in dairy feeds?(a) nitrogen(b) phosphorus(c) magnesium(d) ureaI got this question during a job interview.I need to ask this question from Dairy Farm in portion Pastuerization of Milk and Long Life Milk of Dairy Engineering

Answer»

The correct CHOICE is (d) urea

Easy EXPLANATION: Non-protein nitrogen COMPOUNDS (NPN) are a group of high-protein feedstuffs. NPN feeds are feeds which contain nitrogen in a form other than peptides or PROTEINS. Urea is an example of NPN.



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