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 4.51
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -6.70 -0.375 2.51
Prot (kg) -2.59 -0.441 1.14
Fertility Sub Index 4.38
Calving Interval (days) -1.94 -1.459 2.83
Survival (%) 1.39 1.117 1.55
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -3.26
Carcass Weight (kg) 7.10 -0.528 -3.75
Age of Slaughter (days) -1.12 -0.432 0.48
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 4.35

* Based on an €80/tonne carbon price