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 11.56
Milk (kg) -199.00 -0.014 2.79
Fat (kg) -10.22 -0.375 3.83
Prot (kg) -11.21 -0.441 4.95
Fertility Sub Index 8.74
Calving Interval (days) -5.57 -1.459 8.13
Survival (%) 0.55 1.117 0.61
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index -0.08
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) -0.17 -0.432 0.07
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 22.77

* Based on an €80/tonne carbon price