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 6.12
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -9.72 -0.375 3.64
Prot (kg) -5.29 -0.441 2.33
Fertility Sub Index 1.81
Calving Interval (days) -1.37 -1.459 2.00
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index 1.70
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -2.72 -0.432 1.17
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 10.33

* Based on an €80/tonne carbon price