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 5.41
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -4.07 -0.375 1.52
Prot (kg) -4.86 -0.441 2.15
Fertility Sub Index 2.55
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) 1.20 1.117 1.34
Calving Sub Index -1.10
Gestation Length (days) 1.20 -0.919 -1.10
Beef Sub Index -3.01
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 5.13 -0.432 -2.21
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 6.73

* Based on an €80/tonne carbon price