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 7.13
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -4.24 -0.375 1.59
Prot (kg) -7.04 -0.441 3.11
Fertility Sub Index -0.06
Calving Interval (days) -0.08 -1.459 0.12
Survival (%) -0.16 1.117 -0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.27
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 9.18

* Based on an €80/tonne carbon price