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 18.00
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -17.81 -0.375 6.67
Prot (kg) -15.75 -0.441 6.95
Fertility Sub Index 1.63
Calving Interval (days) -1.28 -1.459 1.87
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 1.09
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 25.76

* Based on an €80/tonne carbon price