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 5.81
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index -2.48
Calving Interval (days) 2.34 -1.459 -3.41
Survival (%) 0.84 1.117 0.94
Calving Sub Index -1.42
Gestation Length (days) 1.54 -0.919 -1.42
Beef Sub Index 0.09
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) 4.32 -0.432 -1.86
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 6.05

* Based on an €80/tonne carbon price