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 7.17
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -3.76 -0.375 1.41
Prot (kg) -9.67 -0.441 4.27
Fertility Sub Index 1.04
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 0.48
Gestation Length (days) -0.52 -0.919 0.48
Beef Sub Index -0.18
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index -1.72
Live WT (kg) 5.60 -0.307 -1.72
Total Carbon Sub Index 6.80

* Based on an €80/tonne carbon price