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 7.02
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -8.20 -0.375 3.07
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 6.39
Calving Interval (days) -2.53 -1.459 3.69
Survival (%) 2.42 1.117 2.70
Calving Sub Index -1.66
Gestation Length (days) 1.81 -0.919 -1.66
Beef Sub Index -2.53
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 6.47 -0.432 -2.79
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 13.79

* Based on an €80/tonne carbon price