Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 1.87
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -1.69 -0.375 0.63
Prot (kg) -1.62 -0.441 0.72
Fertility Sub Index -1.43
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) 0.33 1.117 0.37
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.48
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.89
Live WT (kg) -12.70 -0.307 3.89
Total Carbon Sub Index 8.52

* Based on an €80/tonne carbon price