An agriculture scientist at the University of Missouri-Columbia; is of the view that glycerin, a by-product of bio-diesel, could be a good source for cattle feed.
In his study, Monty Kerley, a professor of ruminant nutrition at the College of Agriculture, is examining the effectiveness of glycerin as cattle feed.Through November, Kerley will monitor the growth habits of 60 calves from various breeds to determine if bio-leftovers provide a healthy main course to cattle.
The study has two main priorities: first, to determine if glycerin has a positive or negative effect on calves i.e. growth performance, and second, to assess its impact, if any, on meat quality.
Kerley has separated the cows into groups of three, each consuming differing amounts of glycerin during their daily diet. The amounts are 0, 5, 10 and 20 percent.
In addition to monitoring feeding limits and growth patterns, Kerley is also analysing how cattle metabolise the varying amounts of glycerin.
Kerley says glycerin is liquid based and comes mostly from the processing of soybean oil. He also said it meets stringent FDA regulations.
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In recent years, academic scientists and private-sector companies have been racing to find solutions and applications for the by-product. An alternative food source for cattle is but one possibility. However, it's likely only a short-term option for the cattle industry.
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Source-ANI
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