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 3.92
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -3.20 -0.375 1.20
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 5.93
Calving Interval (days) -2.83 -1.459 4.13
Survival (%) 1.61 1.117 1.80
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index -3.04
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 7.28 -0.432 -3.14
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 11.13

* Based on an €80/tonne carbon price