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 0.26
Milk (kg) 40.00 -0.014 -0.56
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -0.67 -0.441 0.30
Fertility Sub Index 5.08
Calving Interval (days) -3.09 -1.459 4.51
Survival (%) 0.51 1.117 0.57
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -0.05
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 9.10

* Based on an €80/tonne carbon price