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 0.40
Milk (kg) 2.00 -0.014 -0.03
Fat (kg) 0.27 -0.375 -0.10
Prot (kg) -1.20 -0.441 0.53
Fertility Sub Index -6.33
Calving Interval (days) 3.53 -1.459 -5.15
Survival (%) -1.06 1.117 -1.18
Calving Sub Index 1.46
Gestation Length (days) -1.59 -0.919 1.46
Beef Sub Index -0.16
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index -3.80

* Based on an €80/tonne carbon price