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 12.16
Milk (kg) -301.00 -0.014 4.21
Fat (kg) -9.54 -0.375 3.57
Prot (kg) -9.90 -0.441 4.37
Fertility Sub Index 9.54
Calving Interval (days) -4.60 -1.459 6.71
Survival (%) 2.53 1.117 2.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.04
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 29.09

* Based on an €80/tonne carbon price