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 10.19
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -8.72 -0.375 3.27
Prot (kg) -10.99 -0.441 4.85
Fertility Sub Index 0.84
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.37 1.117 0.41
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index -0.13
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.34 -0.432 -1.87
Maintenance Sub Index Maint. Sub Index -1.50
Live WT (kg) 4.90 -0.307 -1.50
Total Carbon Sub Index 9.80

* Based on an €80/tonne carbon price