New generation heat stable E. Coli phytases, improving the feeding value of distillers dried grains with solubles and enzyme solutions to maximise use of corn/soy diets were just some of the latest cutting edge research presented by Danisco Animal Nutrition at the World Poultry Congress, Brisbane, Australia, 30 June – 4 July 2008.
Dr Ceinwen Gilbert, Technical Services Manager, Danisco Animal Nutrition,
presented a poster comparing the bioefficacy of two coated phytases for broilers
fed corn/soybean meal based diets. The study concluded that the bacterial E.
Coli phytase was more heat stable – E. Coli phytase recovery from the
pelleted feed was on average 27% greater than P. Lycii phytase.
Broilers fed bacterial E. Coli phytase had significantly higher
bodyweight gain and numerically higher tibia ash than broilers fed the fungal
P. Lycii phytase. The superior bioefficacy of the bacterial E.
Coli phytase was attributed to both the higher heat stability and the
ability of the phytase to better release phytate bound phosphorus in the
DDGS and enzymes
Soren Dalsgaard, a senior
scientist with Danisco, presented a poster which examined how enzyme technology
can be used to reduce certain anti-nutritional factors in DDGS. He reported that
wheat DDGS increases gut viscosity in poultry, which reduces the nutrient
digestibility and bird performance.
Adding a highly effective xylanase
reduced the viscosity and potentially increased the feeding value of wheat DDGS.
Supplementing wheat DDGS with enzymes offers producers the option to use DDGS in
their poultry feeds to save costs, without compromising bird
Dr Aaron Cowieson, senior
scientist at Danisco Animal Nutrition, presented two papers which examined how
feed enzymes can improve the feeding value of corn/soy based diets. Adding a
xylanase, amylase and protease enzyme combination to a corn/soy based broiler
diet significantly improved the ileal digestibility of amino acids and improved
the apparent metabolisable energy by 3%. The enzyme combination improved broiler
weight gain by 6% and feed conversion by 5 points.
Danisco Animal Nutrition