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 1.93
Milk (kg) 22.00 -0.014 -0.31
Fat (kg) -0.35 -0.375 0.13
Prot (kg) -4.78 -0.441 2.11
Fertility Sub Index 3.66
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 0.81 1.117 0.90
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.17
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 4.92 -0.432 -2.12
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 5.94

* Based on an €80/tonne carbon price