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 0.71
Milk (kg) 14.00 -0.014 -0.20
Fat (kg) 1.68 -0.375 -0.63
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index -10.50
Calving Interval (days) 5.63 -1.459 -8.21
Survival (%) -2.05 1.117 -2.29
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -0.78
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 4.50 -0.432 -1.94
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index -12.82

* Based on an €80/tonne carbon price