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 23.11
Milk (kg) -574.00 -0.014 8.04
Fat (kg) -20.04 -0.375 7.51
Prot (kg) -17.15 -0.441 7.57
Fertility Sub Index 6.64
Calving Interval (days) -3.80 -1.459 5.54
Survival (%) 0.98 1.117 1.09
Calving Sub Index 0.90
Gestation Length (days) -0.98 -0.919 0.90
Beef Sub Index 0.14
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.64 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 3.00
Live WT (kg) -9.80 -0.307 3.00
Total Carbon Sub Index 33.80

* Based on an €80/tonne carbon price