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 6.54
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -4.72 -0.375 1.77
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index -0.43
Calving Interval (days) -0.12 -1.459 0.18
Survival (%) -0.54 1.117 -0.60
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.48
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.16 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 7.93

* Based on an €80/tonne carbon price