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 1.72
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -2.04 -0.441 0.90
Fertility Sub Index 6.19
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 0.64 1.117 0.72
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index 0.43
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.55 -0.432 -1.10
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 11.18

* Based on an €80/tonne carbon price