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 10.36
Milk (kg) -198.00 -0.014 2.77
Fat (kg) -8.97 -0.375 3.36
Prot (kg) -9.58 -0.441 4.23
Fertility Sub Index 5.54
Calving Interval (days) -3.19 -1.459 4.65
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -0.06
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 17.77

* Based on an €80/tonne carbon price