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 4.50
Milk (kg) -148.00 -0.014 2.07
Fat (kg) 0.61 -0.375 -0.23
Prot (kg) -6.01 -0.441 2.65
Fertility Sub Index 0.57
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.35
Gestation Length (days) -0.38 -0.919 0.35
Beef Sub Index -1.00
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index -3.53
Live WT (kg) 11.50 -0.307 -3.53
Total Carbon Sub Index 0.90

* Based on an €80/tonne carbon price