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 2.51
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -0.07 -0.375 0.03
Prot (kg) -0.45 -0.441 0.20
Fertility Sub Index 2.38
Calving Interval (days) -1.53 -1.459 2.23
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 0.17
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) -0.14 -0.432 0.06
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price