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 2.55
Milk (kg) 21.00 -0.014 -0.29
Fat (kg) -5.58 -0.375 2.09
Prot (kg) -1.71 -0.441 0.75
Fertility Sub Index 3.45
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) 1.73 1.117 1.93
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.70
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) -2.72 -0.432 1.17
Maintenance Sub Index Maint. Sub Index -4.11
Live WT (kg) 13.40 -0.307 -4.11
Total Carbon Sub Index 2.12

* Based on an €80/tonne carbon price