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 10.65
Milk (kg) -222.00 -0.014 3.11
Fat (kg) -10.41 -0.375 3.90
Prot (kg) -8.25 -0.441 3.64
Fertility Sub Index 5.24
Calving Interval (days) -2.70 -1.459 3.94
Survival (%) 1.16 1.117 1.30
Calving Sub Index -0.67
Gestation Length (days) 0.73 -0.919 -0.67
Beef Sub Index -2.31
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 2.94
Live WT (kg) -9.60 -0.307 2.94
Total Carbon Sub Index 15.86

* Based on an €80/tonne carbon price