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 6.26
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -3.55 -0.375 1.33
Prot (kg) -5.11 -0.441 2.26
Fertility Sub Index 6.67
Calving Interval (days) -6.67 -1.459 9.73
Survival (%) -2.74 1.117 -3.06
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 4.09
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) -0.56 -0.432 0.24
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 18.65

* Based on an €80/tonne carbon price