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 2.80
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -3.04 -0.375 1.14
Prot (kg) -2.17 -0.441 0.96
Fertility Sub Index 6.56
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index 0.87
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.41 -0.432 -0.61
Maintenance Sub Index Maint. Sub Index 3.31
Live WT (kg) -10.80 -0.307 3.31
Total Carbon Sub Index 14.51

* Based on an €80/tonne carbon price