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 6.23
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.81 -0.375 2.18
Prot (kg) -4.72 -0.441 2.08
Fertility Sub Index 6.72
Calving Interval (days) -3.88 -1.459 5.66
Survival (%) 0.95 1.117 1.06
Calving Sub Index 0.52
Gestation Length (days) -0.57 -0.919 0.52
Beef Sub Index 0.65
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 17.68

* Based on an €80/tonne carbon price