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 3.24
Milk (kg) -69.00 -0.014 0.97
Fat (kg) -3.70 -0.375 1.39
Prot (kg) -2.01 -0.441 0.89
Fertility Sub Index 1.87
Calving Interval (days) -0.95 -1.459 1.39
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index -3.87
Carcass Weight (kg) 3.40 -0.528 -1.79
Age of Slaughter (days) 4.80 -0.432 -2.07
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -1.63

* Based on an €80/tonne carbon price