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 5.92
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -2.08 -0.375 0.78
Prot (kg) -5.21 -0.441 2.30
Fertility Sub Index 4.74
Calving Interval (days) -3.08 -1.459 4.49
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.48
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 12.73

* Based on an €80/tonne carbon price