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 3.49
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 1.45
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.51 1.117 0.57
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -1.51
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 3.86 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index -0.21
Live WT (kg) 0.70 -0.307 -0.21
Total Carbon Sub Index 2.74

* Based on an €80/tonne carbon price