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 4.39
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -3.74 -0.375 1.40
Prot (kg) -6.73 -0.441 2.97
Fertility Sub Index -10.94
Calving Interval (days) 5.63 -1.459 -8.21
Survival (%) -2.44 1.117 -2.73
Calving Sub Index 0.85
Gestation Length (days) -0.92 -0.919 0.85
Beef Sub Index -0.08
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.00 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index -5.64

* Based on an €80/tonne carbon price