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 24.67
Milk (kg) -502.00 -0.014 7.03
Fat (kg) -25.65 -0.375 9.61
Prot (kg) -18.20 -0.441 8.03
Fertility Sub Index 3.86
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 0.82 1.117 0.92
Calving Sub Index -1.98
Gestation Length (days) 2.15 -0.919 -1.98
Beef Sub Index -1.18
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 0.42 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 30.12

* Based on an €80/tonne carbon price