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 6.55
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -1.05 -0.375 0.39
Prot (kg) -10.93 -0.441 4.82
Fertility Sub Index -1.27
Calving Interval (days) 0.90 -1.459 -1.31
Survival (%) 0.04 1.117 0.04
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index -0.59
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 4.54 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index 3.59

* Based on an €80/tonne carbon price