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 8.40
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -13.49 -0.375 5.05
Prot (kg) -6.25 -0.441 2.76
Fertility Sub Index 7.64
Calving Interval (days) -4.28 -1.459 6.24
Survival (%) 1.25 1.117 1.40
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 0.09
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 19.59

* Based on an €80/tonne carbon price