Lallemand Animal Nutrition
France
After graduating as a Doctor in Veterinary Medicine in 1984 (Nantes, France), Dr. Yannig Le Treut started working as a private vet in Brittany mainly involved in dairy cows but also equine medicine.
In 1987 he entered a local cooperative as a vet, being responsible for the prevention sanitary program for all species (swine, dairy cows, and beef), after 3 years he joined a premix company in Normandy, doing the swine nutrition but also covering the swine genetic program.
In 1993, he became the General Manager of a swine producer association in Brittany: Agralco was producing 620,000 slaughtered pigs a year, operating 3 feed mills, and having shares in one of the most important slaughtering houses (Socopa Evron).
In 1999, Yannig joined UCCAB as responsible for the swine sector: UCAAB was the nutrition division of UNCAA covering almost 25% of the premix market in France (5,000,000 mt feed equivalent).
In 2004 he became the General Manager of Inzo (former Ucaab) one of the leading Animal Nutrition companies in France: Inzo’s market shares were at that time over 37% of the French swine premix market, dealing with all the most important feed mills in France but also in Spain and Hungary.
In mid-2005, Yannig was hired by Lallemand Animal Nutrition as category manager, doing the technical support of the Monogastric species (poultry and swine, Aquaculture and Equine). Yannig, who specialized in Animal Nutrition initiated and followed a significant number of research projects covering all the aforementioned species including the Horse, and published numerous papers in different peer journals and international congresses.
In 2012, Yannig was appointed as GM of Lallemand Animal Nutrition worldwide. On February 1, 2024, Mathieu Castex, Ph.D., will succeed Yannig Le Treut, DVM, as President and General Manager of Lallemand Animal Nutrition. To ensure a seamless transition, he will take on the role of Senior Vice President & Special Advisor at the Lallemand Group level, while supporting Lallemand Animal Nutrition’s management team and leadership transition over the next several years.