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Last modified: Apr 24, 2003 Printer friendly version : [PDF] [PS] Lactase in piglets Key words:   Hierarchial Description As part of a larger study of the intestinal health in newborn piglets, the gut enzyme lactase was measured in 20 piglets taken from 5 different litters. For each of the 20 piglets the lactase level was measured in three different regions. At the time the measurement was taken the piglet was either unborn (status=1) or newborn (status=2). These data are kindly provided by Charlotte Reinhard Bjørnvad, Department of Animal Science and Animal Health, Division of Animal Nutrition, Royal Veterinary and Agricultural University. Number of observations: 60 Variable                Description litter Litter identification, numbered 1-5 pig Piglet identification, numbered 1-22 region Measurement region identification, numbered 1-3 status Status identification, numbered 1,2 loclact Log transformed lactase measurement Source Charlotte Reinhard Bjørnvad, Department of Animal Science and Animal Health, Division of Animal Nutrition, Royal Veterinary and Agricultural University. Analysis Two or three layer hierarchial model with mean value depending on region and status. Optimized for Microsoft Internet Explorer 6.0 for Windows webmaster