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 2.66
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -6.03 -0.375 2.26
Prot (kg) 0.26 -0.441 -0.11
Fertility Sub Index 5.38
Calving Interval (days) -2.89 -1.459 4.22
Survival (%) 1.04 1.117 1.16
Calving Sub Index -1.74
Gestation Length (days) 1.89 -0.919 -1.74
Beef Sub Index -2.22
Carcass Weight (kg) 3.20 -0.528 -1.69
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 8.64

* Based on an €80/tonne carbon price