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 5.15
Milk (kg) -343.00 -0.014 4.80
Fat (kg) 1.67 -0.375 -0.63
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index 1.13
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) 0.27 1.117 0.30
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.70
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 1.56 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 8.69

* Based on an €80/tonne carbon price