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 5.39
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -9.06 -0.375 3.39
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index 3.19
Calving Interval (days) -1.46 -1.459 2.13
Survival (%) 0.95 1.117 1.06
Calving Sub Index -1.77
Gestation Length (days) 1.93 -0.919 -1.77
Beef Sub Index -1.85
Carcass Weight (kg) -0.20 -0.528 0.11
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 8.60

* Based on an €80/tonne carbon price