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 7.83
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -10.52 -0.375 3.94
Prot (kg) -5.06 -0.441 2.23
Fertility Sub Index -1.20
Calving Interval (days) 0.04 -1.459 -0.06
Survival (%) -1.02 1.117 -1.14
Calving Sub Index -2.57
Gestation Length (days) 2.80 -0.919 -2.57
Beef Sub Index -0.89
Carcass Weight (kg) 1.70 -0.528 -0.90
Age of Slaughter (days) -0.02 -0.432 0.01
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 6.75

* Based on an €80/tonne carbon price