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 18.09
Milk (kg) -358.00 -0.014 5.01
Fat (kg) -17.41 -0.375 6.52
Prot (kg) -14.86 -0.441 6.56
Fertility Sub Index 2.87
Calving Interval (days) -1.51 -1.459 2.20
Survival (%) 0.60 1.117 0.67
Calving Sub Index -1.90
Gestation Length (days) 2.07 -0.919 -1.90
Beef Sub Index -2.75
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 8.70 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 6.01
Live WT (kg) -19.60 -0.307 6.01
Total Carbon Sub Index 22.32

* Based on an €80/tonne carbon price