New Feed Enzyme Development - The Poultry Federation

September 2009, ChemGen Corp.Figure 20 ‐ Figure 19 – SPR100708 Turkey Hen Trial Feed Conversion trialup to 84 daysTable 9 ‐ Turkey Hen Trial Cost perlive pound calculationCost ($) perDietDiet TypeEnzyme live lb.Corn/Soy ControlPositive controlNegative ControlNegative Control + EnzymeNegative Control + EnzymeCorn/soyDDGS + energyDDGS + low energyDDGS + low energyDDGS + low energy‐‐‐β‐1,3‐GlucanaseHemicell0.3120.3120.29220.2850.28881 the β‐1,3‐Glucanase preparation also contains Hemicell® mannanaseHowever, taking into account feed cost for the different dietsand live pounds of turkeyproduced; thecombination enzyme has the least cost (Table 9) ). More workis needed tounderstand why some trialswith β‐1,3‐glucanase were very positive with additive enzymee benefits, and this last turkey trial wasnot.One pointto keep in mind is that the yeast in DDGS is bringing in a lot of α‐mannan PAMP that is notbeing neutralized by enzyme digestion.An interesting experiment was conducted at Purdue University by Brian Richert, Ph.D. . and Jon Ferrel ofChemGenCorp. to determine the effect of adding β ‐mannanase or β‐ mannanase plusexperimental β‐1,3‐glucanase to a corn‐soybean meal‐ DDGS diet on pig growth, feed efficiency, and overallperformance during the grower phase. Pigs (initial BW = 18.0 ± 0.16 kg) were allocated in aD.M. Anderson and H.Hsiao, New Feed EnzymesPage 25