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 11.38
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -14.58 -0.375 5.46
Prot (kg) -7.95 -0.441 3.51
Fertility Sub Index 2.71
Calving Interval (days) -0.65 -1.459 0.95
Survival (%) 1.58 1.117 1.77
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.30
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 23.59

* Based on an €80/tonne carbon price