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 3.96
Milk (kg) -130.00 -0.014 1.82
Fat (kg) 1.17 -0.375 -0.44
Prot (kg) -5.85 -0.441 2.58
Fertility Sub Index -0.03
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.04 1.117 -0.04
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.47
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.58 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 6.13

* Based on an €80/tonne carbon price