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 7.97
Milk (kg) -215.00 -0.014 3.01
Fat (kg) -3.72 -0.375 1.39
Prot (kg) -8.09 -0.441 3.57
Fertility Sub Index 1.45
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.70
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.65 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 10.14

* Based on an €80/tonne carbon price