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 3.35
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 7.40
Calving Interval (days) -4.16 -1.459 6.07
Survival (%) 1.19 1.117 1.33
Calving Sub Index 2.56
Gestation Length (days) -2.78 -0.919 2.56
Beef Sub Index 0.23
Carcass Weight (kg) 2.20 -0.528 -1.16
Age of Slaughter (days) -3.22 -0.432 1.39
Maintenance Sub Index Maint. Sub Index -2.12
Live WT (kg) 6.90 -0.307 -2.12
Total Carbon Sub Index 11.41

* Based on an €80/tonne carbon price