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 14.05
Milk (kg) -320.00 -0.014 4.48
Fat (kg) -12.77 -0.375 4.78
Prot (kg) -10.85 -0.441 4.79
Fertility Sub Index 5.08
Calving Interval (days) -3.04 -1.459 4.44
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.71
Gestation Length (days) 0.77 -0.919 -0.71
Beef Sub Index -2.44
Carcass Weight (kg) 5.20 -0.528 -2.74
Age of Slaughter (days) -0.71 -0.432 0.31
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 17.03

* Based on an €80/tonne carbon price