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 4.88
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -2.14 -0.375 0.80
Prot (kg) -4.30 -0.441 1.90
Fertility Sub Index 3.49
Calving Interval (days) -1.69 -1.459 2.47
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index -0.66
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 5.81 -0.432 -2.51
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 15.52

* Based on an €80/tonne carbon price