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 12.62
Milk (kg) -314.00 -0.014 4.40
Fat (kg) -11.07 -0.375 4.15
Prot (kg) -9.24 -0.441 4.08
Fertility Sub Index 5.60
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.32 1.117 1.47
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index 3.95
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) -8.06 -0.432 3.48
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 21.81

* Based on an €80/tonne carbon price