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 13.11
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -12.32 -0.375 4.61
Prot (kg) -14.07 -0.441 6.21
Fertility Sub Index -1.62
Calving Interval (days) 0.77 -1.459 -1.12
Survival (%) -0.44 1.117 -0.49
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index -0.23
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 5.42 -0.432 -2.34
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 11.79

* Based on an €80/tonne carbon price