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 20.08
Milk (kg) -387.00 -0.014 5.42
Fat (kg) -22.06 -0.375 8.26
Prot (kg) -14.51 -0.441 6.40
Fertility Sub Index 2.21
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 0.11 1.117 0.12
Calving Sub Index -1.19
Gestation Length (days) 1.30 -0.919 -1.19
Beef Sub Index -4.06
Carcass Weight (kg) 7.40 -0.528 -3.90
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index -3.13
Live WT (kg) 10.20 -0.307 -3.13
Total Carbon Sub Index 13.91

* Based on an €80/tonne carbon price