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 8.13
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -9.34 -0.375 3.50
Prot (kg) -7.33 -0.441 3.24
Fertility Sub Index -1.86
Calving Interval (days) 1.33 -1.459 -1.94
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index -1.42
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 4.76 -0.432 -2.05
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 7.50

* Based on an €80/tonne carbon price