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 6.23
Milk (kg) -167.00 -0.014 2.34
Fat (kg) -4.30 -0.375 1.61
Prot (kg) -5.18 -0.441 2.29
Fertility Sub Index 5.51
Calving Interval (days) -3.62 -1.459 5.28
Survival (%) 0.20 1.117 0.22
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 2.34
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 2.61
Live WT (kg) -8.50 -0.307 2.61
Total Carbon Sub Index 17.73

* Based on an €80/tonne carbon price