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 6.31
Milk (kg) -102.00 -0.014 1.43
Fat (kg) -5.92 -0.375 2.22
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 1.78
Calving Interval (days) -1.42 -1.459 2.07
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 1.05
Gestation Length (days) -1.14 -0.919 1.05
Beef Sub Index 0.84
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 13.44

* Based on an €80/tonne carbon price