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 6.70
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -4.89 -0.375 1.83
Prot (kg) -7.48 -0.441 3.30
Fertility Sub Index 0.33
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.61 -0.432 -1.56
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 8.54

* Based on an €80/tonne carbon price