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 2.67
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -3.22 -0.375 1.21
Prot (kg) -1.25 -0.441 0.55
Fertility Sub Index 4.62
Calving Interval (days) -1.97 -1.459 2.87
Survival (%) 1.56 1.117 1.74
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 2.28
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -0.89 -0.432 0.38
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 21.27

* Based on an €80/tonne carbon price