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 4.89
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -5.30 -0.375 1.99
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index -6.05
Calving Interval (days) 2.90 -1.459 -4.23
Survival (%) -1.63 1.117 -1.82
Calving Sub Index 0.57
Gestation Length (days) -0.62 -0.919 0.57
Beef Sub Index -0.21
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.53 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index -0.72

* Based on an €80/tonne carbon price