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 15.85
Milk (kg) -438.00 -0.014 6.13
Fat (kg) -10.59 -0.375 3.97
Prot (kg) -13.02 -0.441 5.75
Fertility Sub Index 5.23
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 0.84 1.117 0.94
Calving Sub Index 0.88
Gestation Length (days) -0.96 -0.919 0.88
Beef Sub Index 0.24
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 22.88

* Based on an €80/tonne carbon price