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 2.92
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -0.83 -0.375 0.31
Prot (kg) -2.48 -0.441 1.09
Fertility Sub Index 2.15
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.50 1.117 0.56
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 5.82

* Based on an €80/tonne carbon price