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 10.13
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -13.68 -0.375 5.12
Prot (kg) -7.19 -0.441 3.17
Fertility Sub Index 6.21
Calving Interval (days) -3.93 -1.459 5.73
Survival (%) 0.43 1.117 0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.08
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.86 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 26.41

* Based on an €80/tonne carbon price