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 8.70
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -9.20 -0.375 3.45
Prot (kg) -5.95 -0.441 2.63
Fertility Sub Index 3.77
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.87 1.117 0.97
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.55
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 0.56 -0.432 -0.24
Maintenance Sub Index Maint. Sub Index 6.65
Live WT (kg) -21.70 -0.307 6.65
Total Carbon Sub Index 24.38

* Based on an €80/tonne carbon price