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 5.07
Milk (kg) -66.00 -0.014 0.92
Fat (kg) -6.84 -0.375 2.56
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index 3.12
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 0.22 1.117 0.25
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.35
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 5.67
Live WT (kg) -18.50 -0.307 5.67
Total Carbon Sub Index 17.91

* Based on an €80/tonne carbon price