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 7.61
Milk (kg) -125.00 -0.014 1.75
Fat (kg) -5.26 -0.375 1.97
Prot (kg) -8.82 -0.441 3.89
Fertility Sub Index -1.09
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) -0.52 1.117 -0.58
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 0.21
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.69 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 4.94

* Based on an €80/tonne carbon price