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 7.28
Milk (kg) -100.00 -0.014 1.40
Fat (kg) -8.85 -0.375 3.31
Prot (kg) -5.81 -0.441 2.56
Fertility Sub Index 0.07
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.09 1.117 0.10
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.37
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 9.55

* Based on an €80/tonne carbon price