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 5.33
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -7.19 -0.375 2.69
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 2.51
Calving Interval (days) -1.48 -1.459 2.16
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.36
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.77 -0.432 -0.33
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 10.78

* Based on an €80/tonne carbon price