[Calculation of production costs in farming]

beef cattle beta vulgaris bovin de boucherie brassica napus cerdo cost analysis csfr cultivos de invierno cultivos de primavera culture d'hiver culture de printemps dairy cows gallina ponedora ganado de carne hordeum vulgare layer chickens linum usitatissimum porcin poule pondeuse production costs rfcs rfts solanum tuberosum spring crops swine triticum aestivum vacas lecheras winter crops