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 6.88
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -8.11 -0.375 3.04
Prot (kg) -6.26 -0.441 2.76
Fertility Sub Index 6.84
Calving Interval (days) -4.18 -1.459 6.10
Survival (%) 0.66 1.117 0.74
Calving Sub Index 0.91
Gestation Length (days) -0.99 -0.919 0.91
Beef Sub Index -0.06
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 17.81

* Based on an €80/tonne carbon price