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reductions that can be made in an example laying hen diet, through the addition of these alternative protein sources (Figure 1).


Figure 1: Example laying hen diet Soya + sunflowers + beans + distillers’ dark grains + amino acids


Soya + Suns + Beans + DDGS + AA’s Raw Material Wheat Soya


(%)


68.17 19.95


Sunflower Beans


Corn DDGS Soya Oil Lysine


Methionine Threonine


Iso/Val/Tryp


Protein Fibre


Linoleic acid


16.65 2.41 1.26


17.01 3.83 1.93


17.20 4.06 2.08


17.88 4.56 2.53


1.19 0.09 0.19 0.02


(%)


63.06 13.83 10.00


2.44 0.17 0.15 0.02


(%)


59.15 12.49 10.00 5.00


2.72 0.14 0.16 0.02


(%)


51.83 9.63


10.00 5.00


10.00 3.00 0.20 0.14 0.01


(%)


59.56 2.17


10.00 5.00


10.00 2.06 0.42 0.19 0.11 0.20


15.68 4.43 2.05


“To further reduce the percentage of soya in the ration, we can then


look to introduce other crops, such as peas and beans, before turning to distillers’ grains (DDGS) as well as single amino acids,” he says. “The analysis shows, by including sunflower, and balancing the


rest of the diet accordingly, soya can be reduced to represent 13.83% of the total ration. This can be further reduced through the addition of beans and DDGS.”


37%


As the ratio of soya to alternatives in the diet reduces, the need for balancing the amino acid levels increases. “Balancing the diet through the inclusion of single amino acids


such as lysine, valine and isoleucine, can reduce soya levels to 2.17% of the total diet, as well as controlling crude protein and oil levels,” he explains.


What next? The issue with leguminous crops is that Europe simply does not grow enough of them to have a significant impact on soya usage, Steve explains. “The EU has already recognised the need to produce more protein crops as part of the European Soy Declaration, but this will take time to implement.” Novel ingredients are on the horizon, but these options will take


more time to come to come to market. “Soya is a vital ingredient, but it has an image problem the industry needs to work on,” he adds. “It is possible for the animal feed industry to reduce its reliance on


soya but given the availability of sunflower and single amino acids, these are likely to have the greatest immediate impact. “While new protein alternatives are in development, it’s the industry’s obligation to make sensible use of the resources available to us.”


For more information on Premier Nutrition and its offering, please visit www.premiernutrition.co.uk or contact a member of the team on 01889 572500.


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NUTRITION ENGINEERED TO MAKE A


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+44 (0)1889 572 500 PREMIERNUTRITION.CO.UK


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