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21/08/07
Specialist feed company, SCA NuTec, is launching a new feed additive
at this year’s Dairy Event, Stoneleigh, (September 19/20).
Added to TMR rations, on-farm trials have shown that Amino Gold
can, very cost-effectively, increase milk yields by 2 to 2.5 litres
of milk as well as constituents.
Dr Sion Richards, SCA NuTec
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A sugar mineral complex, Amino Gold works by improving rumen efficiency. “A
typical dairy cow eats more than 4kg of protein a day, based on
an 18% protein ration, and produces less than 1kg of protein in
the milk,” says SCA NuTec’s Sion Richards. “This
is only about 25% efficient.”
Much of the inefficiency in protein is in the rumen. “One
prime culprit is the protozoa in the rumen that eats rumen bacteria
and creates ammonia that is converted to urea and excreted as urine,” adds
Dr Richards. “Amino Gold is designed to increase rumen bacteria
through its effect on protozoa which in turn increases available
protein for milk production.”
Amino Gold can also bind to rumen protein to slow down the rate
of release of rumen degradable protein. This leaves more protein
to pass through the rumen and into the milk production process.
Added at the rate of 100g per cow per day, Amino Gold provides
a combination of extra metabolisable protein, more rumen bacteria
and extra methionine. The result is improved diet digestion, better
protein utilisation and more energy leading to increases in milk,
fat and protein yields.
UK trials have shown a yield increase of between 2 to 2.5 litres
of milk in cows in their first 200 days of lactation and more persistent
yields in mid- and late-lactation cows. Milk proteins have also
increased in some cases by up to 0.2%.
“Amino Gold costs 9.5p per day per cow,” adds Dr Richards. “These
results show a return of at least 36p based on a milk price of
18p per litre – so a 4 to 1 return on investment. And as
we see further milk prices increases this cost advantage will look
even better.”
Producers visiting SCA NuTec at the Dairy Event will have a chance
to dig for their own gold on the stand in Cattle Shed 2 and retrieve
a sample of the new product.
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