55 UNDERSTANDING THE ROLE OF DIETARY LEUCINE ON VALINE REQUIREMENT IN POULTRY DIETS Jason Lee, PH.D. Poultry Science at Texas A&M University (USA) CON T E N T S SPECIAL STORY AB Agri partners with agri-tech firm Aceae Nutra 8 Kemin opens first facility to produce Proteus® for meat and poultry industry 12 EW Nutrition welcomes Jan Vanbrabant as new CEO 94 Bühler and Entocycle join forces for industrial insect production 14 Novus adds Michaela Braun to its methionine team 101 PwC names Skretting, Lerøy, Mowi, and SalMar as Climate Leaders 90 Devenish expands international aquaculture team 93 NEWS REPORTS NORTH AMERICA ANIMAL FEED MARKET 86 63 BIOACTIVE MOLECULES IN EGG POWDER CONTRIBUTE TO PIGLET’S HEALTH Jordi Ysamat, MVetMed VEOS Group 72 NEW SWINE VITAMIN RECOMMENDATIONS FOR MORE PRODUCTIVE AND SUSTAINABLE FARMING Gilberto Litta & José-María Hernández, dsm-firmenich 60 Zinc supplementation to cover nutritional requirements: FOCUS ON BONE ZINC Alessandra Monteiro & Axel Minetto, Animine France 66 METHIONINE ANALOGS IN RUMINANTS: DATA-DRIVEN INSIGHTS Eyüp Eren Gültepe & Diego Martinez del Olmo, Kemin Europa NV Nutritional Additives: Vitamins & Pro-vitamins & Amino Acids & Trace Elements ARTICLES 79 CHOLINE: A REQUIRED NUTRIENT FOR TRANSITION DAIRY COWS Usman Arshad, University of Wisconsin-Madison & Dr José E.P. Santos, University of Florida
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