Does fibrolytic enzyme level in feedlot cattle affect cattle weight gain? Researchers randomly assigned 20 feedlot cattle to four groups, with each group being fed a diet containing a different enzyme level. Cattle weight gain (in kilograms) was recorded over the length of the study. Which type of study design was used?

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In this study, the researchers randomly assigned the cattle to different groups, indicating a completely randomized experiment design.

Does Fibrolytic Enzyme Level in Feedlot Cattle Affect Cattle Weight