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 3.34
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -1.22 -0.375 0.46
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index 4.11
Calving Interval (days) -1.62 -1.459 2.36
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index -2.22
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 8.69 -0.432 -3.75
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 12.77

* Based on an €80/tonne carbon price