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 11.33
Milk (kg) -303.00 -0.014 4.24
Fat (kg) -7.42 -0.375 2.78
Prot (kg) -9.76 -0.441 4.31
Fertility Sub Index -1.40
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.74
Gestation Length (days) -0.81 -0.919 0.74
Beef Sub Index -2.10
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.90 -0.432 -3.84
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 15.44

* Based on an €80/tonne carbon price