Effect of Using Germinated and Fermented Lupin and Oats as a Dietary Protein Source on Laying Hen Performance and Egg Quality
Koffigan Kponouglo | Gningnini Alain Koné | Margaret Good | Noel Grosset | Michel Gautier | Maryline Kouba
Soybean meal is the dominant protein source for poultry nutrition. However, soybean is not widely grown in Europe, necessitating importation from other countries. To reduce dependency on imported soybean meal, an alternative feed material is needed. Fermentation and/or germination of grains are known to increase the value of the protein content of a diet. This study aimed to determine if they could substitute partly soybean meal in a diet. Germinated or fermented or germinated and fermented grains of lupin and oats were used in laying hen’s diet (a mix of 6.50% lupin and 3.50% oat grains). Oats were dehulled or not dehulled. The hens’ weight loss and the downgraded eggs rate were the lowest when using fermented grains. All trial diets reduced the egg cholesterol content. Dehulling had only a slight effect on performance. Diets containing germinated grains led to a decrease in laying performance and an increase in body weight loss. Diets containing fermented grains gave the best results in terms of quantity of amino acids, hen weight maintenance, laying performance, and egg quality. In conclusion, fermented lupin and oats can be used in laying hen diets to partly substitute sources of protein such as soya, but germinated grains cannot.
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