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 6.29
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -5.91 -0.375 2.21
Prot (kg) -6.28 -0.441 2.77
Fertility Sub Index 9.75
Calving Interval (days) -5.21 -1.459 7.60
Survival (%) 1.92 1.117 2.15
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index 1.32
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 21.39

* Based on an €80/tonne carbon price