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 -4.66
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) 5.43 -0.375 -2.03
Prot (kg) 5.59 -0.441 -2.47
Fertility Sub Index 1.25
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) 1.17 1.117 1.31
Calving Sub Index -0.94
Gestation Length (days) 1.02 -0.919 -0.94
Beef Sub Index 0.34
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) -6.53 -0.432 2.82
Maintenance Sub Index Maint. Sub Index -3.68
Live WT (kg) 12.00 -0.307 -3.68
Total Carbon Sub Index -7.68

* Based on an €80/tonne carbon price