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 -6.14
Milk (kg) 17.00 -0.014 -0.24
Fat (kg) 10.72 -0.375 -4.02
Prot (kg) 4.27 -0.441 -1.88
Fertility Sub Index 1.79
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 1.08 1.117 1.21
Calving Sub Index 2.12
Gestation Length (days) -2.31 -0.919 2.12
Beef Sub Index -1.74
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index -3.37

* Based on an €80/tonne carbon price