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 11.03
Milk (kg) -268.00 -0.014 3.75
Fat (kg) -10.10 -0.375 3.78
Prot (kg) -7.92 -0.441 3.50
Fertility Sub Index 6.11
Calving Interval (days) -3.95 -1.459 5.76
Survival (%) 0.31 1.117 0.35
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.05
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 5.58
Live WT (kg) -18.20 -0.307 5.58
Total Carbon Sub Index 26.61

* Based on an €80/tonne carbon price