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 1.06
Milk (kg) -46.00 -0.014 0.64
Fat (kg) 0.15 -0.375 -0.06
Prot (kg) -1.07 -0.441 0.47
Fertility Sub Index -0.19
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) -0.07 1.117 -0.08
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 0.33
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.57 -0.432 -0.25
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 4.53

* Based on an €80/tonne carbon price