Standardized calculation scheme for mineral excretion and amount of manure by animal husbandry. Cattle, sheep and goats, 1990, 1991 and 1992
van Eerdt MM, Crijns M, van der Hoek KW, Luesink HH, van der Peet GFV, Voet J, Uenk JH, van Boheemen PJM
RIVM Report 779400003
Dutch institutes dealing with production figures for mineral excretion by animal husbandry installed a working party to standardize their excretion figures. The working party developed a calculation scheme based on a mass balance over the animal. Excreted minerals = minerals in feed - [Bnerals in products (meat, milk, eggs). Special attention is paid to the calculation of the averaged annual feed intake and its N, P and K content. This publication of the working party describes the calculation scheme for cattle, sheep and goats and presents the figures for the annual N, P and K excretion and the annual amount of manure for the years 1990, 1991 and 1992. The publication is a joint product of CBS, IKC-Veehouderij, LAMI, LEI-DLO, RIVM and Landelijke Mestbank.