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 26.11
Milk (kg) -504.00 -0.014 7.06
Fat (kg) -26.55 -0.375 9.94
Prot (kg) -20.65 -0.441 9.11
Fertility Sub Index 7.28
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.08 1.117 1.21
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
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 37.09

* Based on an €80/tonne carbon price