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 3.85
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -3.84 -0.375 1.44
Prot (kg) -2.35 -0.441 1.04
Fertility Sub Index 5.59
Calving Interval (days) -2.77 -1.459 4.04
Survival (%) 1.39 1.117 1.55
Calving Sub Index -1.71
Gestation Length (days) 1.86 -0.919 -1.71
Beef Sub Index -2.24
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 4.70 -0.432 -2.03
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 10.06

* Based on an €80/tonne carbon price