Back to profile Contact person for... - ing. J (Jan) van Harn News Low crude protein diets supplemented with free amino acids in laying hens 28 januari 2022 | Providing laying hens diets with a lower protein level and supplemented with free amino acids (AA) to meet the AA requirements can help reduce the use... Five questions about chicken meat in supermarkets 13 augustus 2021 | On Wednesday 11 August it was announced that by the end of 2023 at the latest all Dutch supermarkets will only sell fresh chicken with at least 1...