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 6.18
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -9.26 -0.375 3.47
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index -10.73
Calving Interval (days) 5.46 -1.459 -7.97
Survival (%) -2.47 1.117 -2.76
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index -0.50
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 3.35 -0.432 -1.45
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index -3.37

* Based on an €80/tonne carbon price