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 10.42
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -12.40 -0.375 4.64
Prot (kg) -8.99 -0.441 3.97
Fertility Sub Index 3.42
Calving Interval (days) -1.68 -1.459 2.45
Survival (%) 0.87 1.117 0.97
Calving Sub Index -2.04
Gestation Length (days) 2.22 -0.919 -2.04
Beef Sub Index -0.86
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 4.69 -0.432 -2.02
Maintenance Sub Index Maint. Sub Index 5.49
Live WT (kg) -17.90 -0.307 5.49
Total Carbon Sub Index 16.43

* Based on an €80/tonne carbon price