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 5.13
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.15 -0.375 2.68
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 6.55
Calving Interval (days) -2.81 -1.459 4.10
Survival (%) 2.19 1.117 2.45
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index -1.52
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 3.88 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 15.58

* Based on an €80/tonne carbon price