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 5.65
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.87 -0.375 2.20
Prot (kg) -3.12 -0.441 1.38
Fertility Sub Index -2.38
Calving Interval (days) 2.17 -1.459 -3.17
Survival (%) 0.70 1.117 0.78
Calving Sub Index -1.07
Gestation Length (days) 1.16 -0.919 -1.07
Beef Sub Index -2.33
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 6.12 -0.432 -2.64
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 4.01

* Based on an €80/tonne carbon price