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 5.05
Milk (kg) -71.00 -0.014 0.99
Fat (kg) -6.40 -0.375 2.40
Prot (kg) -3.75 -0.441 1.66
Fertility Sub Index 9.70
Calving Interval (days) -4.19 -1.459 6.11
Survival (%) 3.21 1.117 3.59
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.00
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 6.34 -0.432 -2.74
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 11.79

* Based on an €80/tonne carbon price