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 7.75
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -9.99 -0.375 3.74
Prot (kg) -4.54 -0.441 2.00
Fertility Sub Index -0.37
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 2.48
Gestation Length (days) -2.70 -0.919 2.48
Beef Sub Index 4.12
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) -1.97 -0.432 0.85
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 14.78

* Based on an €80/tonne carbon price