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 22.12
Milk (kg) -488.00 -0.014 6.83
Fat (kg) -17.98 -0.375 6.73
Prot (kg) -19.37 -0.441 8.55
Fertility Sub Index 6.12
Calving Interval (days) -3.55 -1.459 5.18
Survival (%) 0.84 1.117 0.94
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.14
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.25 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 28.00

* Based on an €80/tonne carbon price