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 3.83
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.23 -0.375 1.21
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 1.21
Calving Interval (days) -0.73 -1.459 1.07
Survival (%) 0.13 1.117 0.15
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.28
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 6.69

* Based on an €80/tonne carbon price