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 3.19
Milk (kg) -132.00 -0.014 1.85
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -0.65 -0.441 0.29
Fertility Sub Index 3.70
Calving Interval (days) -1.85 -1.459 2.70
Survival (%) 0.90 1.117 1.01
Calving Sub Index -1.03
Gestation Length (days) 1.12 -0.919 -1.03
Beef Sub Index -5.37
Carcass Weight (kg) 10.60 -0.528 -5.59
Age of Slaughter (days) -0.52 -0.432 0.22
Maintenance Sub Index Maint. Sub Index -2.24
Live WT (kg) 7.30 -0.307 -2.24
Total Carbon Sub Index -1.73

* Based on an €80/tonne carbon price