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 17.44
Milk (kg) -450.00 -0.014 6.30
Fat (kg) -14.27 -0.375 5.34
Prot (kg) -13.14 -0.441 5.80
Fertility Sub Index -5.52
Calving Interval (days) 2.56 -1.459 -3.74
Survival (%) -1.60 1.117 -1.79
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.33
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -0.33 -0.432 0.14
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index 12.66

* Based on an €80/tonne carbon price