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 21.07
Milk (kg) -414.00 -0.014 5.80
Fat (kg) -20.73 -0.375 7.76
Prot (kg) -17.02 -0.441 7.51
Fertility Sub Index -0.47
Calving Interval (days) 0.53 -1.459 -0.77
Survival (%) 0.27 1.117 0.30
Calving Sub Index -2.08
Gestation Length (days) 2.26 -0.919 -2.08
Beef Sub Index -2.69
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) 4.04 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 21.19

* Based on an €80/tonne carbon price