Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.66
Milk (kg) 108.00 -0.014 -1.51
Fat (kg) -4.20 -0.375 1.57
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index -1.26
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) 0.24 1.117 0.27
Calving Sub Index 0.18
Gestation Length (days) -0.20 -0.919 0.18
Beef Sub Index -1.77
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) 5.07 -0.432 -2.19
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index -2.27

* Based on an €80/tonne carbon price