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 2.84
Milk (kg) -162.00 -0.014 2.27
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 4.08
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -2.28
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.70 -0.432 -3.76
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 12.13

* Based on an €80/tonne carbon price