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 3.97
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -3.83 -0.375 1.43
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 12.26
Calving Interval (days) -6.72 -1.459 9.80
Survival (%) 2.20 1.117 2.46
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index -1.39
Carcass Weight (kg) 2.00 -0.528 -1.06
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 18.33

* Based on an €80/tonne carbon price