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 2.65
Milk (kg) -93.00 -0.014 1.30
Fat (kg) 2.52 -0.375 -0.94
Prot (kg) -5.19 -0.441 2.29
Fertility Sub Index 0.51
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.01
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.73 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index 4.68

* Based on an €80/tonne carbon price