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 9.55
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -9.61 -0.375 3.60
Prot (kg) -8.86 -0.441 3.91
Fertility Sub Index -2.69
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) -1.01 1.117 -1.13
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 1.98
Carcass Weight (kg) -8.40 -0.528 4.43
Age of Slaughter (days) 5.67 -0.432 -2.45
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 12.68

* Based on an €80/tonne carbon price