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 6.31
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -1.88 -0.375 0.70
Prot (kg) -7.52 -0.441 3.32
Fertility Sub Index 4.54
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 1.78 1.117 1.99
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.52
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.68 -0.432 -1.16
Maintenance Sub Index Maint. Sub Index 0.98
Live WT (kg) -3.20 -0.307 0.98
Total Carbon Sub Index 10.83

* Based on an €80/tonne carbon price