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 9.79
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -10.23 -0.375 3.83
Prot (kg) -8.17 -0.441 3.61
Fertility Sub Index 6.07
Calving Interval (days) -2.66 -1.459 3.88
Survival (%) 1.96 1.117 2.19
Calving Sub Index -1.51
Gestation Length (days) 1.64 -0.919 -1.51
Beef Sub Index -2.18
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) 5.54 -0.432 -2.39
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 13.68

* Based on an €80/tonne carbon price