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 14.31
Milk (kg) -287.00 -0.014 4.02
Fat (kg) -10.38 -0.375 3.89
Prot (kg) -14.50 -0.441 6.40
Fertility Sub Index 2.00
Calving Interval (days) -1.19 -1.459 1.74
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.47
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 1.60 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 18.52

* Based on an €80/tonne carbon price