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 7.29
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -7.60 -0.375 2.85
Prot (kg) -6.60 -0.441 2.91
Fertility Sub Index -5.39
Calving Interval (days) 2.06 -1.459 -3.01
Survival (%) -2.13 1.117 -2.38
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 3.50
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) -1.99 -0.432 0.86
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 6.40

* Based on an €80/tonne carbon price