Evaluating the efficacy of feed additives

The number and diversity of additives available for animal feed has dramatically increased during the last decades, particularly since the ban of antibiotic and hormonal growth promoters. Evaluating the efficacy of feed additives is an art in itself. Benzoni Gaëlle at InVivo Nutrition et Santé Animales, France, Baéza Elisabeth at INRA, France The European livestock industry, and more particularly the poultry production sector are continuously looking at improving their techno-economic pe