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 1.10
Milk (kg) -127.00 -0.014 1.78
Fat (kg) 5.21 -0.375 -1.95
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 6.71
Calving Interval (days) -2.92 -1.459 4.26
Survival (%) 2.19 1.117 2.45
Calving Sub Index 2.85
Gestation Length (days) -3.10 -0.919 2.85
Beef Sub Index 2.88
Carcass Weight (kg) -7.90 -0.528 4.17
Age of Slaughter (days) 2.98 -0.432 -1.29
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 18.75

* Based on an €80/tonne carbon price