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 6.31
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -4.24 -0.375 1.59
Prot (kg) -6.71 -0.441 2.96
Fertility Sub Index 7.28
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.08 1.117 1.21
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.12
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 17.30

* Based on an €80/tonne carbon price