Table 1.

Categories used to group traits

Categorya	Examples of traits
Adrenal	gene expression (mRNA or protein); organ weight
Behavioural	stereotypic responses; food intake; food preference
Blood lipids	cholesterol, LDL, NEFA, triglycerides
Bone	bone mineral content, bone mineral density
Brain	gene expression (mRNA or protein)
Cardiovascular	blood pressure; measures of vascular or ventricular function; heart rate; gene expression (mRNA or protein) in heart or vasculature; organ weight
Fat	body fat percentage, fat pad weight
Hepatic	hepatic gene expression, enzyme activity, glycogen, blood proteins produced by liver; organ weight
Lung	alveolar number, gene expression (mRNA or protein); triolein uptake; organ weight
Muscular	fibre density, diameter
Oxidative status	plasma carbonyl, glutathione, thiols and melatonin, superoxide anion scavenging activity, oxidative status score based on plasma biomarkers
Pancreatic	beta-cell mass; islet size; gene expression (mRNA or protein); organ weight
Placental	gene expression (mRNA or protein), SOD activity
Renal	gene expression (mRNA or protein); urine production; ion excretion; glomerular number; glomerular filtration rate; organ weight
Spleen	organ weight

^aBody weight, blood hormones, and blood glucose were not categorized