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 11.24
Milk (kg) -205.00 -0.014 2.87
Fat (kg) -12.00 -0.375 4.49
Prot (kg) -8.77 -0.441 3.87
Fertility Sub Index 10.24
Calving Interval (days) -6.26 -1.459 9.13
Survival (%) 0.99 1.117 1.11
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 0.21
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index -3.77
Live WT (kg) 12.30 -0.307 -3.77
Total Carbon Sub Index 18.74

* Based on an €80/tonne carbon price