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 2.36
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -0.25 -0.375 0.09
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 6.22
Calving Interval (days) -3.13 -1.459 4.57
Survival (%) 1.48 1.117 1.65
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index -1.58
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 4.02 -0.432 -1.74
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index 8.00

* Based on an €80/tonne carbon price