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3 Review Later Production Systems - Livestock Production Efficiency, Beef Cattle Production Feed conversion and differences in livestock production. Which of the following statements are true? (select all that apply) The feed conversion ratio (FCR) for beef production is generally higher than for other livestock production. Free-range pigs and poultry must feed on grains and oilseeds to grow. As chicken production has a lower feed conversion ratio than pork production, it is unquestionably a better industry to be in. The cattle industry typically uses more land than other livestock industries, for grazing and for producing forage feed