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 7.34
Milk (kg) -53.00 -0.014 0.74
Fat (kg) -10.69 -0.375 4.00
Prot (kg) -5.87 -0.441 2.59
Fertility Sub Index 2.84
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 1.17 1.117 1.31
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.17
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 13.52

* Based on an €80/tonne carbon price