Table 1 Trait descriptions
Abbreviation | Unit | Meaning |
|---|---|---|
Growth measurements | ||
BW12, BW28, BW42, BW70 | kg | Body weights at 12, 28, 42, 70Â days of age |
BWG12-28, BWG12-42, BWG12-70, BWG28-42, BWG28-70, BWG42-70 | g/d | Body weight gains (all combinations between 12, 28, 42 and 70Â days of age) |
Corticosterone traits | ||
CortL, CortH | ng/ml | Corticosterone level before and after stress |
DeltaC | ng/ml | Difference in corticosterone level before and after stress |
Body weights and metabolic traits during overfeeding period | ||
TG 2nd M, TG 10th M, TG 20th M | g/l | Plasma triglyceride level after 2nd, 10th and 20th meal |
CHO 2nd M, CHO 10th M, CHO 20th M | g/l | Plasma cholesterol level after 2nd, 10th and 20th meal |
GLU 2nd M, GLU 10th M, GLU 20th M | g/l | Plasma glucose level after 2nd, 10th and 20th meal |
DFI | kg/d | Daily feed intake |
BWbeg, BWend | kg | Body weight at beginning and end of overfeeding period |
OWG | kg | Weight gain during the overfeeding period |
Overfeeding ability traits | ||
CW | kg | Bled-plucked carcass weight |
FLW | kg | Fatty liver weight |
pmMW | kg | Pectoralis major muscle weight |
pmSFW | kg | Breast skin + subcutaneous fat weight |
TSW | kg | Thigh + shank weight |
AFW | kg | Abdominal fat weight |
Liver quality traits | ||
MR | % | Liver melting rate |
LLipC, LProtC | % | Liver lipid and protein content |
LColC | mg/g | Liver collagen content |
LL*, La*, Lb* | Â | Liver lightness, redness and yellowness |
Muscle quality traits | ||
MpH20, MpHu | Â | Muscle pH 20Â min post mortem and muscle ultimate pH 24Â h post mortem |
MCookL, MvacL | % | Muscle cooking losses and muscle drip losses |
MLipC | % | Muscle lipid contents |
ML*, Ma*, Mb* | Â | Muscle lightness, redness and yellowness |
Menergy | mJ | Energy needed to cut the muscle |
MFmax | Â | Maximal shear force |