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 5.18
Milk (kg) -256.00 -0.014 3.58
Fat (kg) -2.07 -0.375 0.78
Prot (kg) -1.86 -0.441 0.82
Fertility Sub Index 6.55
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.76 1.117 0.85
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -4.46
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 7.88 -0.432 -3.40
Maintenance Sub Index Maint. Sub Index -1.23
Live WT (kg) 4.00 -0.307 -1.23
Total Carbon Sub Index 9.86

* Based on an €80/tonne carbon price