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 8.01
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -9.90 -0.375 3.71
Prot (kg) -6.19 -0.441 2.73
Fertility Sub Index 0.43
Calving Interval (days) -0.27 -1.459 0.39
Survival (%) 0.03 1.117 0.03
Calving Sub Index -1.77
Gestation Length (days) 1.93 -0.919 -1.77
Beef Sub Index -1.70
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 4.54 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 3.65
Live WT (kg) -11.90 -0.307 3.65
Total Carbon Sub Index 8.62

* Based on an €80/tonne carbon price