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 0.99
Milk (kg) -39.00 -0.014 0.55
Fat (kg) 1.87 -0.375 -0.70
Prot (kg) -2.60 -0.441 1.15
Fertility Sub Index 4.78
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 0.57 1.117 0.64
Calving Sub Index -0.04
Gestation Length (days) 0.04 -0.919 -0.04
Beef Sub Index 0.09
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.83 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 7.21

* Based on an €80/tonne carbon price