Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.60
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -2.73 -0.375 1.02
Prot (kg) 1.27 -0.441 -0.56
Fertility Sub Index 2.76
Calving Interval (days) -1.61 -1.459 2.35
Survival (%) 0.37 1.117 0.41
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index -4.65
Carcass Weight (kg) 4.80 -0.528 -2.53
Age of Slaughter (days) 4.90 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index -1.84
Live WT (kg) 6.00 -0.307 -1.84
Total Carbon Sub Index -4.33

* Based on an €80/tonne carbon price