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 5.13
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -4.44 -0.375 1.66
Prot (kg) -4.68 -0.441 2.07
Fertility Sub Index 1.14
Calving Interval (days) -0.70 -1.459 1.02
Survival (%) 0.11 1.117 0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.19
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.37 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 0.43
Live WT (kg) -1.40 -0.307 0.43
Total Carbon Sub Index 6.42

* Based on an €80/tonne carbon price