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 -1.57
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -1.56 -0.375 0.58
Prot (kg) 4.98 -0.441 -2.20
Fertility Sub Index 3.40
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) 1.45 1.117 1.62
Calving Sub Index 3.29
Gestation Length (days) -3.58 -0.919 3.29
Beef Sub Index 6.00
Carcass Weight (kg) -15.90 -0.528 8.39
Age of Slaughter (days) 5.52 -0.432 -2.38
Maintenance Sub Index Maint. Sub Index 12.14
Live WT (kg) -39.60 -0.307 12.14
Total Carbon Sub Index 23.27

* Based on an €80/tonne carbon price