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 7.67
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -6.47 -0.375 2.42
Prot (kg) -7.50 -0.441 3.31
Fertility Sub Index 2.15
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.17
Gestation Length (days) -0.19 -0.919 0.17
Beef Sub Index 0.45
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.49 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index -1.10
Live WT (kg) 3.60 -0.307 -1.10
Total Carbon Sub Index 9.34

* Based on an €80/tonne carbon price