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 2.26
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -1.56 -0.441 0.69
Fertility Sub Index -5.52
Calving Interval (days) 2.78 -1.459 -4.06
Survival (%) -1.31 1.117 -1.46
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index -0.50
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 3.85 -0.432 -1.66
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -1.57

* Based on an €80/tonne carbon price