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 4.37
Milk (kg) 7.00 -0.014 -0.10
Fat (kg) -6.18 -0.375 2.31
Prot (kg) -4.88 -0.441 2.15
Fertility Sub Index -2.60
Calving Interval (days) 1.76 -1.459 -2.57
Survival (%) -0.03 1.117 -0.03
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -2.13
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 9.09 -0.432 -3.92
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 1.93

* Based on an €80/tonne carbon price