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 3.39
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index 13.20
Calving Interval (days) -5.27 -1.459 7.69
Survival (%) 4.93 1.117 5.51
Calving Sub Index 2.33
Gestation Length (days) -2.53 -0.919 2.33
Beef Sub Index -0.10
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 19.73

* Based on an €80/tonne carbon price