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 4.29
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -2.65 -0.375 0.99
Prot (kg) -3.85 -0.441 1.70
Fertility Sub Index 4.29
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 1.07 1.117 1.20
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index -0.28
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.11 -0.432 -0.91
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 15.95

* Based on an €80/tonne carbon price