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 17.10
Milk (kg) -299.00 -0.014 4.19
Fat (kg) -17.81 -0.375 6.67
Prot (kg) -14.15 -0.441 6.25
Fertility Sub Index 4.64
Calving Interval (days) -2.63 -1.459 3.84
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.59
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 30.12

* Based on an €80/tonne carbon price