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 6.48
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -3.44 -0.375 1.29
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index 0.27
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index -1.22
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 3.55 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 1.62
Live WT (kg) -5.30 -0.307 1.62
Total Carbon Sub Index 7.00

* Based on an €80/tonne carbon price