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 7.70
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -5.89 -0.375 2.21
Prot (kg) -7.18 -0.441 3.17
Fertility Sub Index -0.32
Calving Interval (days) 0.34 -1.459 -0.50
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.12
Gestation Length (days) 0.13 -0.919 -0.12
Beef Sub Index 0.52
Carcass Weight (kg) -3.90 -0.528 2.06
Age of Slaughter (days) 3.57 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index 8.06

* Based on an €80/tonne carbon price