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 3.33
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -2.56 -0.441 1.13
Fertility Sub Index 5.90
Calving Interval (days) -2.79 -1.459 4.07
Survival (%) 1.64 1.117 1.83
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.33
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 5.40
Live WT (kg) -17.60 -0.307 5.40
Total Carbon Sub Index 18.76

* Based on an €80/tonne carbon price