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 3.06
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -2.63 -0.375 0.99
Prot (kg) -0.92 -0.441 0.41
Fertility Sub Index 5.35
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 1.52 1.117 1.70
Calving Sub Index -1.23
Gestation Length (days) 1.34 -0.919 -1.23
Beef Sub Index -2.04
Carcass Weight (kg) 9.60 -0.528 -5.06
Age of Slaughter (days) -7.01 -0.432 3.03
Maintenance Sub Index Maint. Sub Index -7.88
Live WT (kg) 25.70 -0.307 -7.88
Total Carbon Sub Index -2.74

* Based on an €80/tonne carbon price