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 6.49
Milk (kg) -182.00 -0.014 2.55
Fat (kg) -3.09 -0.375 1.16
Prot (kg) -6.32 -0.441 2.79
Fertility Sub Index 2.59
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.07
Gestation Length (days) -0.08 -0.919 0.07
Beef Sub Index 1.31
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.72 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price