01195naa a2200289 a 450000100080000000500110000800800410001902400540006010000150011424500880012926000090021752003560022665000180058265000210060065000240062165000230064565000100066865000250067865000230070365000220072665000100074865300180075865300260077670000230080270000190082577300610084420593732026-02-20 1982 bl uuuu u00u1 u #d7 ahttps://doi.org/10.1016/0308-521X(82)90081-62DOI1 aFRANCE, J. aUsing a programmable calculator for rationing pregnant ewes.h[electronic resource] c1982 aAbstract: A simple deterministic model for rationing growing and fattening beef cattle in winter is described. The model is designed for a programmable calculator for use by staff of the Meat and Livestock Commission in their consultancy work on farms. The paper serves to illustrate the potential of programmable calculators in on-farm advisory work. aAnimal models aAnimal nutrition aMathematical models aRestricted feeding aSheep aAlimento para animal aModelo matemático aNutrição animal aOvino aModelo animal aRestrição alimentar1 aNEAL, H. D. St. C.1 aPOLLOTT, G. E. tAgricultural Systemsgv. 9, n. 4, p. 267-280, Dec. 1982.