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 6.16
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -0.14 -0.375 0.05
Prot (kg) -10.19 -0.441 4.50
Fertility Sub Index 1.88
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.21
Gestation Length (days) 0.23 -0.919 -0.21
Beef Sub Index -0.22
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 3.31 -0.432 -1.43
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 8.30

* Based on an €80/tonne carbon price