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 8.95
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -8.90 -0.375 3.33
Prot (kg) -8.72 -0.441 3.85
Fertility Sub Index 2.51
Calving Interval (days) -1.29 -1.459 1.88
Survival (%) 0.56 1.117 0.63
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 12.15

* Based on an €80/tonne carbon price