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 3.67
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -0.06 -0.375 0.02
Prot (kg) -3.10 -0.441 1.37
Fertility Sub Index 4.08
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index -2.27
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.67 -0.432 -3.74
Maintenance Sub Index Maint. Sub Index 6.81
Live WT (kg) -22.20 -0.307 6.81
Total Carbon Sub Index 13.00

* Based on an €80/tonne carbon price