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 1.15
Milk (kg) -34.00 -0.014 0.48
Fat (kg) 3.13 -0.375 -1.17
Prot (kg) -4.19 -0.441 1.85
Fertility Sub Index -3.52
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) -1.78 1.117 -1.99
Calving Sub Index 2.55
Gestation Length (days) -2.77 -0.919 2.55
Beef Sub Index 0.10
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 6.19
Live WT (kg) -20.20 -0.307 6.19
Total Carbon Sub Index 6.48

* Based on an €80/tonne carbon price