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 8.70
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -7.65 -0.375 2.87
Prot (kg) -8.50 -0.441 3.75
Fertility Sub Index 6.30
Calving Interval (days) -4.30 -1.459 6.27
Survival (%) 0.02 1.117 0.02
Calving Sub Index -1.73
Gestation Length (days) 1.88 -0.919 -1.73
Beef Sub Index 1.55
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) -3.11 -0.432 1.34
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 16.88

* Based on an €80/tonne carbon price