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 16.79
Milk (kg) -298.00 -0.014 4.17
Fat (kg) -12.20 -0.375 4.57
Prot (kg) -18.23 -0.441 8.05
Fertility Sub Index 6.20
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 0.74 1.117 0.83
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index 0.21
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index 27.12

* Based on an €80/tonne carbon price