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 9.64
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -11.09 -0.375 4.15
Prot (kg) -5.99 -0.441 2.64
Fertility Sub Index 3.85
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 1.16 1.117 1.30
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -0.59
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 3.80 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 15.82

* Based on an €80/tonne carbon price