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 37.14
Milk (kg) -999.00 -0.014 13.99
Fat (kg) -27.75 -0.375 10.39
Prot (kg) -28.90 -0.441 12.76
Fertility Sub Index 3.70
Calving Interval (days) -1.71 -1.459 2.49
Survival (%) 1.08 1.117 1.21
Calving Sub Index -1.79
Gestation Length (days) 1.95 -0.919 -1.79
Beef Sub Index -1.82
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 4.59 -0.432 -1.98
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 40.56

* Based on an €80/tonne carbon price