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 6.05
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -4.18 -0.375 1.57
Prot (kg) -5.76 -0.441 2.54
Fertility Sub Index 5.92
Calving Interval (days) -3.50 -1.459 5.11
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index 0.18
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.16 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 15.54

* Based on an €80/tonne carbon price