Robert R. Cox, Jr., Mark A. Hanson, Christianne C. Roy, Ned H. Euliss, Jr., Douglas H. Johnson, Malcolm G. Butler, Mallard Duckling Growth and Survival in Relation to Aquatic Invertebrates, The Journal of Wildlife Management, Vol. 62, No. 1 (Jan., 1998), pp. 124-133
No takes yet. Share an insight, caveat, or question.
Cox et al. (1998) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: