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 9.55
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -11.08 -0.441 4.89
Fertility Sub Index 0.76
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 0.35 1.117 0.39
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index -0.97
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 4.21 -0.432 -1.82
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index 8.48

* Based on an €80/tonne carbon price