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 1.38
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -4.02 -0.375 1.51
Prot (kg) -0.29 -0.441 0.13
Fertility Sub Index -7.06
Calving Interval (days) 3.47 -1.459 -5.06
Survival (%) -1.79 1.117 -2.00
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.33
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.15 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index -1.16
Live WT (kg) 3.80 -0.307 -1.16
Total Carbon Sub Index -5.74

* Based on an €80/tonne carbon price