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 -6.33
Milk (kg) 90.00 -0.014 -1.26
Fat (kg) 6.63 -0.375 -2.48
Prot (kg) 5.87 -0.441 -2.59
Fertility Sub Index -3.10
Calving Interval (days) 2.00 -1.459 -2.92
Survival (%) -0.16 1.117 -0.18
Calving Sub Index 2.77
Gestation Length (days) -3.01 -0.919 2.77
Beef Sub Index -0.30
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.39 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -6.66

* Based on an €80/tonne carbon price