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 -6.20
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) 7.39 -0.375 -2.77
Prot (kg) 7.46 -0.441 -3.29
Fertility Sub Index 3.33
Calving Interval (days) -2.67 -1.459 3.90
Survival (%) -0.51 1.117 -0.57
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.47
Carcass Weight (kg) 1.80 -0.528 -0.95
Age of Slaughter (days) -1.12 -0.432 0.48
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index -2.31

* Based on an €80/tonne carbon price