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 5.48
Calving Interval (days) -3.75 -1.459 5.47
Survival (%) 0.01 1.117 0.01
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -1.05
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 12.77

* Based on an €80/tonne carbon price