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 6.63
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -6.65 -0.375 2.49
Prot (kg) -4.84 -0.441 2.14
Fertility Sub Index -3.27
Calving Interval (days) 2.05 -1.459 -2.99
Survival (%) -0.25 1.117 -0.28
Calving Sub Index 1.20
Gestation Length (days) -1.31 -0.919 1.20
Beef Sub Index -0.45
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 4.78

* Based on an €80/tonne carbon price