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 7.98
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -6.76 -0.375 2.53
Prot (kg) -6.67 -0.441 2.94
Fertility Sub Index 6.20
Calving Interval (days) -3.77 -1.459 5.50
Survival (%) 0.63 1.117 0.70
Calving Sub Index 0.69
Gestation Length (days) -0.75 -0.919 0.69
Beef Sub Index -0.32
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 17.13

* Based on an €80/tonne carbon price