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 5.33
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -8.19 -0.375 3.07
Prot (kg) -3.18 -0.441 1.40
Fertility Sub Index -7.38
Calving Interval (days) 4.68 -1.459 -6.83
Survival (%) -0.49 1.117 -0.55
Calving Sub Index -2.04
Gestation Length (days) 2.22 -0.919 -2.04
Beef Sub Index 0.24
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index -1.28

* Based on an €80/tonne carbon price