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 7.69
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -7.67 -0.375 2.87
Prot (kg) -8.19 -0.441 3.61
Fertility Sub Index -0.47
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) 0.98 1.117 1.09
Calving Sub Index -1.05
Gestation Length (days) 1.14 -0.919 -1.05
Beef Sub Index 0.38
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -1.62 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 7.95

* Based on an €80/tonne carbon price