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 6.10
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -4.58 -0.375 1.72
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index 6.85
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 0.63 1.117 0.70
Calving Sub Index 1.23
Gestation Length (days) -1.34 -0.919 1.23
Beef Sub Index -0.93
Carcass Weight (kg) 3.10 -0.528 -1.64
Age of Slaughter (days) -1.63 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 14.72

* Based on an €80/tonne carbon price