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 3.44
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -0.95 -0.375 0.36
Prot (kg) -2.52 -0.441 1.11
Fertility Sub Index 2.71
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 1.30 1.117 1.45
Calving Sub Index 0.97
Gestation Length (days) -1.06 -0.919 0.97
Beef Sub Index 0.24
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 4.51
Live WT (kg) -14.70 -0.307 4.51
Total Carbon Sub Index 11.87

* Based on an €80/tonne carbon price