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 10.04
Milk (kg) -208.00 -0.014 2.91
Fat (kg) -10.24 -0.375 3.84
Prot (kg) -7.46 -0.441 3.29
Fertility Sub Index -1.02
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) 0.48 1.117 0.54
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.27
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 17.57

* Based on an €80/tonne carbon price