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 6.10
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -3.37 -0.375 1.26
Prot (kg) -5.51 -0.441 2.43
Fertility Sub Index 6.72
Calving Interval (days) -4.05 -1.459 5.91
Survival (%) 0.73 1.117 0.82
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 2.13
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 20.19

* Based on an €80/tonne carbon price